Find the approximate surface-area-to-volume ratio of a softball with a radius of 2 inches

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?