12. For QR one endpoint is Q(3,2) and the other is R(5,10). Using the Midpoint Formula, find the coordinates of the midpoint of Q and R.

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then, the two had the same amount of money. how much money did each have originally?

Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°

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