The answer would be the top left one because when dividing, you would subtract 8 from 13. I'm pretty sure not 100% though. Sorry.
Answer:
i dont know
Step-by-step explanation:
i dont know
Answer: OPTION C.
Step-by-step explanation:
1. To solve this problem you must apply the Pythagorean Theorem, which is shown below:

Where a is the hypotenuse, and b and c are the legs of the triangle.
2. When you solve for one of the legs and substitute values, you obtain that the result is:

Answer: 81
Explanation: Multiple three fourl
|y-9|=6
y-9=6
y-9=-6
y=15
y=3
So, y=15,3