A sphere has a volume of 5.2 cubic inches. If the sphere's volume can vary between 4.4 cubic inches
and 6.1 cubic inches, how can the radius vary?
Round your answer to five decimal places.

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?