What is the step by step and answer

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?

Select the quadratic that has root x = 8 and x = -5

What is coefficient of the term of degree of degree 5 in the polynomial below