What’s the value of x. round your answer to nearest tenth

Ineed in figuring out this problem.

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

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