Pleaseee helppp meee :(

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?