15 pts! Todd has a collection of 8 CDs and Sally has a collection of 18 CDs. Todd is adding 9 CDs a month to his collection while Sally is adding 7 CDs a month to her collection. When will they have the same number of CDs and how many CDs will they have?

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.