Need help with math I will give 16 points

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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