Which set of ordered pairs represents a function? A (1,8). (8, 1), (1,5), (5, 1)
B (2, 1), (3, 1). (4.3). (5,3)
С (5, 1), (3, 3), (3, 7), (7, 1)
D (5, 1), (5,6), (1,3), (9,7)

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in