QUICK QUESTION!!! HELP WILL MARK BRAINLIEST

why do men?

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?

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?