Which of the following is the correct action to take when simplifying the expression (x^3)^5

a.
add the exponents
b.
subtract the exponents
c.
multiply the exponents
d.
divide the exponents

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! ❤

Asap will give brainiest to first person to answer what is the measure of angle b in the triangle? enter your answer in the box. m∠b=

Which image (a’ b’ c’ d’) of abcd cannot he produced using only reflections ?