Find the volume of the sphere to the nearest cubic foot use 3.14 for pi.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?

Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?