Michelle is building shelves for her room. she has a plank 137 inches long that she wants to cut into 7 shelves of equal length. the plank has jagged ends, so she will start by cutting 2 inches of each end. how long will each shelf be?

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