Which of the following is a pair of like terms? * O 3x and y
2a and -4b
-9y and 7y
8 and 10y

What is the smallest integer n such that n\sqrt{2} is greater than 20

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

To determine the number of deer in a forest a forest ranger tags 280 and releases them back