What’s the difference between a vulnerability, an exploit, and a threat?

These terms come up a lot in cybersecurity, and they seem kind of similar. Can someone explain the actual difference between a vulnerability, an exploit, and a threat?

How does multi-factor authentication actually work behind the scenes?

I know MFA makes accounts more secure, but I don’t really get what’s going on technically. What’s happening in the background when I enter a code or use a device to log in?

How can I tell if a website is safe to visit?

Sometimes I’m not sure if a site is legit or if it might be dangerous. What are the main signs that a website is safe to click on and use?

How do I stop overthinking everything?

I get stuck in my head constantly. I’ll think through every option, every risk, every possible outcome, and it still feels like I haven’t figured it out. It makes it hard to take action or feel... more

Why do I always wait until the last minute to get things done?

I swear I don’t mean to procrastinate. I’ll tell myself I’m going to get ahead, and then suddenly it’s the night before and I’m panicking. This keeps happening no matter how much I try to plan.... more

Why can't I focus even when I care about the work?

This happens to me a lot. I’ll care about something, want to do it, know it matters, and still I just can’t focus. It feels like my brain freezes or shuts down before I can even start. I’m not... more

07/21/25

Productivity probability problem

A corporation generates 60%, 25%, and 15% of its production from Machines A, B, and C, correspondingly. The defect rates are 2%, 3%, and 4%. What is the likelihood that a randomly picked defective... more

07/21/25

Tips for Staying Motivated During Online Tutoring Sessions

I’ve been tutoring math and science on Wyzant for a little over a year now, mostly with high school students preparing for standardized tests (SAT, ACT, AP exams). While many students have adapted... more

07/20/25

Let's calculate the area of the figure

Let's calculate the area of the figurehttps://ibb.co/7NkBK7h7

07/20/25

Let's calculate the area of the figure

Let's calculate the area of the figurehttps://ibb.co/XZ22pk6S

07/20/25

Let's calculate the area of the figure

Let's calculate the area of the figurehttps://ibb.co/XZ22pk6S

07/20/25

Aaron, Glenn, James, Matt and Trevor

Aaron, Glenn, James, Matt and Trevor stop for pizza. The boys decide to order the same type of pizza. A whole pizza is divided into eight equal pieces and costs seventy cents a slice. Aaron says he... more

07/20/25

The Miller family

The Miller family has two hundred forty acres of farmland that is in the shape of a rectangle. The Miller family plants crops on all the farmland. The Miller family plants corn on one-half of the... more

07/20/25

Tito and Luis..

Tito and Luis are stuffed with pizza! Tito ate one-fourth of a cheese pizza. Tito ate three eights of a pepperoni pizza . Luis ate the other half of the mushroom pizza. All the pizzas were the same... more

07/20/25

algebra2 extraneous solution

2X-1=Square root of 8-XThank you.

07/20/25

Algebra2 extraneous solution

2X-1= square root of 8-XThank you.

07/20/25

What’s the probability of drawing a blue marble from a bag?

There are 5 red, 3 blue, and 2 green marbles in a bag. I’m trying to figure out the probability of pulling a blue one on the first try.

07/20/25

How do I calculate the median of a data set?

I have this list: 7, 12, 14, 18, 20, 22, 25. How do I know which number is the median?

07/20/25

How do I find the missing angle in a triangle?

I’m reviewing triangle angle relationships and got stuck. If one angle is 40° and another is 65°, how do I figure out the third angle?

07/19/25

Why is Algebra II so much harder than Algebra I?

My child passed Algebra I without too much trouble, but is now struggling in Algebra II. They say it feels like a completely different subject. Why is it so much more difficult?

07/19/25

How can I help my child get organized and stay motivated in school?

My child struggles to keep up with assignments, often forgets due dates, and waits until the last minute to study. I’ve tried planners and reminders, but nothing seems to stick. What can I do?

07/19/25

What are the most common mistakes students make on the SAT Math section?

My child is preparing for the SAT and feels fairly confident, but their practice test scores are inconsistent. What are the most common traps or mistakes students fall into on the math section, and... more

07/19/25

Why do students struggle with solving equations that have variables on both sides?

My child understands one-step and two-step equations, but as soon as the variable appears on both sides, they freeze or get confused. Why is this such a common struggle, and how can I help them... more

How do I help my child stop using fingers to add and subtract?

My child is in the early stages of learning math and still relies on fingers for basic addition and subtraction. I want to help them build number sense and become more confident using mental math.... more

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.