Write the opposite of the polynomial and simplify your result.3x2 + 9x - 5
A. -3x2 - 9x + 5
B. 3x2 - 9x + 5
C. -3x2 + 9x + 5
D. -3x2 - 9x - 5
Answer: A
Mathematics
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Find the reciprocal.- 
A. 
B. 5
C. - 
D. - 
Mathematics
Find the exact value of the expression.
A. 
B. 
C. 
D. 2
Mathematics
Multiply the polynomials.(x + 5)(x2 - x + 7)
A. x3 + 35 B. x3 + 4x2 + 35 C. x3 + 4x2 + 2x + 35 D. x3 + 6x2 + 12x + 35
Mathematics
Solve.The rectangle has width 5x2 feet and length 8x4 feet. Find its area as an expression in x. 
8x4 feet
A. 40x6 sq ft B. 13x6 sq ft C. 13x8 sq ft D. 40x8 sq ft
Mathematics