Answer:
146
Step-by-step explanation:
I, sorry but that problem does not make any sense how do 5x-6 tell me?
48 inches is 4 feet.
36 inches is 3 feet.
The question is asking for the area in square feet of a rectangle that is 4 feet long by 3 feet wide. That area is the product of these dimensions:
(4 ft)×(3 ft) = 12 ft²