A trend line passes through two points on a scatter plot. How can you use the trend line to make a prediction between or outside the given data points?

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.

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?

15 pizzas are cut into 1/8 slices. how many slices of pizza are there?