5. Mark's brother is five years older than Mark. Their combined ages add up to 23. How old is
Mark?

The coordinates of a, b, and c in the diagram are a(p,4), b(6,1), and c(9,q). which equation correctly relates p and q? hint: since is perpendicular to , the slope of × the slope of = -1. a. p - q = 7 b. q - p = 7 c. -q - p = 7 d. p + q = 7

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

What expression is equivalent to (2x-1)(x-3)?