SELECT ALL THE CORRECT ANSWERS! Which expressions are equivalent to this exponential expression?
(52)^-3 • 5^4

5^-4

A) 1/5
B) 25
C)5^2
D)5^-1
E)5^1

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?