At a book fair, a tote bag cost $3.50 each. you spend a total of $19. how many did you buy in addition to one tote bag?

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?