If a = -3, find the value of
a) 2a
b) a2
c) 3a2

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

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.

What is the rate for one gallon of gasoline