PLEASE HELP PLEASE

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

17 in long 1.3 ft wide and 8in high what is the volume

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.