7.7+d=10.5 what is the answer to this question

d = 2.8

Step-by-step explanation:

Isolate the variable. Note the equal sign, what you do to one side, you do to the other. Subtract 7.7 from both sides.

d + 7.7 = 10.5

d + 7.7 (-7.7) = 10.5 (-7.7)

d = 10.5 - 7.7

d = 2.8

d = 2.8 is your answer.

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maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

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