Simplify .
S + 3 -2- +7
z + - 5
0
+ +5
o y +5

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Using elimination, what is -4x+2y=-12 4x+8y=-24

Hormones perform important functions within the reproductive system. during puberty, a number of changes occur in the body. which hormone is responsible for the development of these characteristics in the female? estrogen progestin progesterone testosterone