Given the following diagram, find the length of CB.

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees