The volume of a sphere v=4/3pier^3 well the surface area is S equals 4 pi r ^2 Express the volume of the spear as a function of the surface area

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

When y’all answer can y’all explain too !

Which function has the domain x> -11