Question

HELP ME WITH MY MATH PLEASEE

Answer 1

Answer:

Step-by-step explanation:

O.    

$(-5)^2-(-6)^2\\25-36\\-11$

P.

$\frac{2}{(5)^2}\\ \frac{2}{25}$

Q.

$15-(-2)^4\\15-16\\-1$

R.

$2-12\\-10$