Simplify the expression, and combine like terms.7(5x2 + 9y) - (4x2 - 3y)
A. 39x2 + 66y
B. 31x2 + 60y
C. 39x2 + 12y
D. 31x2 + 66y
Answer: D
Mathematics
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for the given x and function f.f(x) = 2x2 + 5 for x = 4
A. 21 B. 32 C. 16 D. Does not exist
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A. quadrant I B. quadrant II C. quadrant III D. quadrant IV
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Simplify the algebraic expression.1.6m + 17.7m
A. 38.6m B. 19.3m2 C. 19.3m D. 28.32m
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Find the midpoint of the segment with the given endpoints.(9, -6) and (-9, -9)
A. 
B. 
C. 
D. 
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