Plsss someone answer it fasttt

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?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.