Simplify the expression. Assume that all variables are positive when they appear.-
A. 2x4y8
B. 2x4y12
C. 4x4y8
D. -2x12y8
Answer: A
Mathematics
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Find the product.(9p + 13)(9p - 13)
A. p2 - 169 B. 81p2 + 234p - 169 C. 81p2 - 234p - 169 D. 81p2 - 169
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Simplify.
A. 
B. 
C. 
D. 
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Solve.23 is 2% of what?
A. 1150 B. 46 C. 11,500 D. 115
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Find the vertex and axis of symmetry of the graph of the function.f(x) = -x2 + 2x + 2
A. (-1, 1) ; x = -1 B. (-1, -1) ; x = -1 C. (1, 3) ; x = 1 D. (2, 2) ; x = 2
Mathematics