A solid metal cube of side 20cm is melted down and made into 40 solid spheres, each of radius r cm Find the value of r

[The volume of a sphere with radius is V=4/3 pie r^3

Find the perimeter of the figure shown above. a. 18 yds c. 20 yds b. 10 yds d. 24 yds select the best answer from the choices provided

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?