A room is 18ft long, 14ft wide and 8ft high. There is a door that is 3ft wide and 7ft high.
Find the cost of painting the four walls with two coats of painting costing $9.50
per gallon. Each gallon covers 256ft 2 squaredwith one coat of paint.

i just took the test, the correct answer is .. 31.5 in.

a

step-by-step explanation:

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for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: