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Mathematics 8 Online
OpenStudy (anonymous):

HELP !! Giving Out Medals ;) Need Answers NOW !! Evaluate 4a + 7b + 3a - 2b for a = 4 and b = 3 A. 41 B. 43 C. 48 D. 57

OpenStudy (anonymous):

To solve this, first you have to replace all the a's and b's to get the equation you have to solve. The equation becomes 4(4) + 7(3) + 3(4) - 2(3). Then, you do multiplication, to get 16 + 21 + 12 - 6. From there, do the math, and get 43, or B.

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