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Mathematics 12 Online
OpenStudy (anonymous):

Which of the following represents the area of a rectangle whose length is 4x + 5 and whose width is x + 4? 4x2 + 20 4x2 + 20x + 21 4x2 + 21x + 20 4x2 + 20x + 20

OpenStudy (anonymous):

Recall A = lw Steps: 1. List out your givens 2. Sub givens into formula 3. Solve for x.

OpenStudy (anonymous):

i got the 3rd choice

OpenStudy (anonymous):

do the FOIL method

OpenStudy (anonymous):

F-first O-outer I-inner L-last

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