Evaluate the expression for the given number of variables. 0.7d - 2.1f
d = 17, f = 2
0.7d - 2.1f = __

Ineed in figuring out this problem.

Write a description of each inequality. 1. -5a + 3 > 1 2. 27 - 2b < -6 (this < has a _ under it) 3. 1/2 (c + 1) > 5 (this > has a _ under it)

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