do we assume y is squared because the detention pond is a square and that the length is the same as the height. That way the volume of a triangular prism satisfies the equation 1/2*bh*L ?

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.