How can I improve my writing?

Like any skill, writing requires consistent practice and repetition of strong habits that are often learned through repetition. But it's so much more than this. The best way to improve is to follow... more

06/09/25

Two person login

Hi,I am arranging English lessons for my daughter. However, my daughter and I are currently in different locations. I want to present at her first session. Is it possible for two of us to login... more

Counting certain partitions

Consider the partition of an integer into the sum of some integers:n = n1 + n2 + ... + nr, with each ni ≥ 1. How many such partitions are there? An equivalent question: how many integer solutions... more

06/09/25

Counting certain binary strings

Let b be a binary string of length r with no adjacent 0s or 1s, e.g. b can be 01010 or 1010 but not 1001 or 0010. For n > r, perform the following operation on a binary string c of length n: if... more

06/09/25

What sound does the letter /e/ make?

What sound does the letter e make?

06/09/25

Kick off ISEE upper level prep

My daughter is preparing to take the ISEE test in Fall 2026, we will start her prep this summer. What would you suggest is the right approach to take to have a 15 month prep period? How would you... more

What should I include in my college art portfolio? I’m not sure where to start.

What should I include in my application art portfolio for college or art school?

Should I start with traditional painting or digital painting?

Learn to paint traditionally or digitally, which is better? Do I need both?

06/08/25

I haven’t drawn in years—can I still learn or improve?

can I learn how to draw at any age?

What would be better for me to use, Canva or Photoshop?

help decide which graphic design tool to use, Adobe Photoshop or Canva.

Monotone subsequence of an infinite sequence

Does every infinite sequence have a monotone subsequce? Here by "monotone" we may either (non-strictly) increasing or decreading. More precisely, given a sequence (an)n≥1, does there exist a... more

06/08/25

Can you help me get better at drawing?

learn how to draw more realistically with depth and form. Learn how to draw anything!

Can you help me get better at using Procreate?

Learn how to use Procreate on the IPAD. for digital art and design, digital painting, and drawing.

06/08/25

Can you help me improve my skills in Canva?

need to learn how to use Canva for graphic design tasks

Integer square of the form 111...1?

Can an integer of the form 111...1 (there are n digits, with n ≥ 2) be the square of an integer?

06/07/25

Perfect square of the form 111...1?

Can a number of the form 111...1 (n digits, n≥2) be a perfect square?

06/07/25

Solve for x for the following equation: 3(x-2)^2+2(x+1)(x-1)=x^2+4x+11

Step 1:First term:(x-2)^2=x^2-4x+43(x-2)^2=3(x^2-4x+4)=3x^2-12x+12Second term:(x+1)(x-1)=x^2-1 (difference of squares)2(x^2-1)=2x^2-2Left hand side becomes:3x^2-12x+12+2x^2-2=5x^2-12x+10Right hand... more

06/07/25

Slope of the secant line?

Hi sorry if this seems obvious. How does one go about this and what is the formula or steps to find the secant line?If Q is the point __ , find the slope of the secant line PQ (correct to six... more
Aws

06/07/25

Inquiry about AWS policy.

Which policy defines the actions a user is allowed to take in AWS?

Networking inquiry regarding the ping command

What protocol does ping use?

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