If DM = 60, what is the value of r?

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Which rational number could be graphed between -4 and -5

What describes horizontal cross section of the right rectangle 6m 8m 5m