Meh think it might be a. or b. but i’m not sure

Its C because unit price is the cost per unit, and to find the unit price, divide the price by the number of units. For example, to find the unit price of 16 ounces of soup that costs $3.20, divide $3.20 by 16 ounces, to get $0.20 per ounce

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step-by-step explanation:

what is the question? i am guessing you are looking for the area.

to find an area, you have to do length x width.

in this case, it would be 12 ft x 4 ft = 48 sq. ft