Write an algebraic expression for
three more than twice the square of six

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)