This stem and leaf plot represents the height of the students on Mark's basketball team one student high is missing from the plot if the mean height of all the students on the team is 63 what is the unknown height

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect