Iowe my friend miguel $4.00. i also owe my friend gloria $7.50. which equation correctly shows this relationship?

a. -4 - 7.50 = 11.50

b. 7.50 - 4 = 3.50

c. 4 + (-7.50) = -3.50

d. -4 + (-7.50) = -11.50

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