The prices of oranges is linear, which means that all the correct prices fall is a straight line on a graph.

The prices are listed as points on a line (pounds, cost). For instance, 4 pounds of oranges cost $3.20 (4, 3.20)

Select all the correct prices below.

Group of answer choices

(1, 0.80)

(6, 4.50)

(8, 6.40)

(9, 720)

(3, 2.40)

(5, 3.99)