Y=mx+b
y=2/5x + b
b=?

How can you tell when x and y are not directly proportional?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

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.