The coordinates (-2,-3) lie on line r. which equation could represent r

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex