Please help ASAP! Algebra question!

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 f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

Which of the greatest common gcf of 32 and 48 a 16 b 96 c 8 d 32