Kim rented a bike from kayla’s bikes. it cost $20 plus $8 per hour. if kim paid $52, then she rented the bike for how many hours?

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Which of the following contains a variable?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12