!PLEASE HELP! A square concrete foundation was prepared as a base for a large cylindrical gasoline tank. a. Express the radius of the tank as a function of the length (x) of the sides of the square.

b. Express the area (A) of the circular base of the tank as a function of the radius (r).

c. Find and interpret A(r(x))

Cass decided to sell game programs for the hockey game. the printing cost was over 20 cents per program with a selling price of 50 cents each. cass sold all but 50 of the programs, and made a profit of $65. how many programs were printed? letting p represent the number of programs printed, set up an equation that describes this situation. then solve your equation for p.

Find x to the nearest hundredth place

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need