Answer:
$451.50
Step-by-step explanation:
FIRST FIND OUT THE TOTAL SQUARE YARDS. THERE ARE 3 FEET IN ONE YARD, SO 15/3=5. THE ROOM IN 4.3X5 YARDS 0R 21.5 SQUARE YARDS. THEN MULTIPLY THE SQUARE YARDS BY PRICE PER YARD: 21.5 X 21 = 451.5
Y = is a straight line perpendicular to the y-axis at point (0,) (0,), which means that the range is a set of one value { }.
33748/249=135.534
249*135=33615
33748-33615=133