If a pyramid has a square base with side length s and height h, which formula represents the volume of a pyramid?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Jared had 3/7 of the minutes on a family phone plan remaining for the month. the plan is shared by 2 people. if divided equally what portion of the minutes remaining on the phone plan would be avalible for each person

Can someone tell me if these are correct?