This table shows the total cost, t, in dollars, of a movie rental when the movie is rented d days. Which equation represents the data in the table?

t=3d

t=d+6

t=2d+3

t=12d+9

Which of the following is not a subset of {1,2,3}?

How can constraints be used to model a real-world situation?

Alistair has 5 half-pounds chocalate bars. it takes 1 1/2 pounds of chocalate, broken into chunks, to make a batch of cookies. how many batches can alistair mke with chocalate he has on his hand?