George plans to cover his circular pool for the upcoming winter season. the pool has a diameter of 20 feet and the cover extends 12 inches beyond the edge of the pool. a rope runs along the edge of the cover to secure it in place.
a. what is the area of the pool cover?
b. what is the length of the rope?

Plz need answer now will mark which situations represent linear functions? check all that apply. a)the temperature rises and falls over the course of a day. temperature is a function of time. b)a baseball is hit into the outfield. the height of the ball is a function of time. c)a car goes 55 mph on the highway. distance is a function of time. d)a child grew 2 inches this year and 1 inch last year. height is a function of time. e)a movie director makes 2 movies per year. the number of movies is a function of the years.

Identify the number as a rational or irrational.explain. 127

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?