I dont knaow what to do

I dont knaow what to do

what is the answer 12+(-9)???

need help solving this problem

nothing this comes under addition

use the integers 0, -2, -3, -4, -5, -6 ,-7, -8, -9, -10 to fill in a 3x3 magic square so that every row, column, and diagonal has the same sum. what is the magic sum?

Here are four digits. 4,6,2,7 Use all four digits to make this sum correct ---- + ----- = 100

f(x)= (6x+4)/4 g(x)=6x+8 can i multiple f(x) by 20 and g(x) by 3, add them and then evaluate at x=-2? is -52 the answer?

I need to know how many jumping jacks he will do in 3 days, if he does 2 jumping jacks per day.

Pat is 23 years older than his son Patrick. In 10 years Pat will be twice as old as Patrick. How old are they now?

Hi, this is a simple question but it's taking me a while, what is it?

Creating equations in one variable

I have 20 cards numbered 1-20, I have to have 6 uneven rows but each row has to equal same amount?

813 - 72

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The vehicle manufacturer guarantees that the car will last at least 220,000 miles before needing extensive repairs. What is an inequality that can be used to determine the number of...

Is there an Addition Theorem for (cos x/sin x) with ...³ exponents? Or just cos²x + sin²x=1 ? Your help is appreciated. ;)

one plus one plus one plus one plus one plus one plus one plus one plus one plus one

For the movie to start there need to be both $100 and 100 people from each category meaning from man, women and children.

I don't get i tried my best but really do need help