Answer:
(2,4)
Step-by-step explanation:
y = 0.22(12) + .99 = 3.63
A 12 minute call will cost $3.63
54 ft^2
The area is the product of length and width:
A = LW = (9 ft)(6 ft)
A = 54 ft^2
The area of the floor is 54 square feet.