Mark is painting a mural. he paints 1/5 wall in 2/3 hour. what is his rate per hour?
a: 3/10 wall per hour
b: 3/8 per hour
c: 2/5 per wall
d: 2/15 per wall
someone me

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