Solve the problem.The sum of twice a number and 8 less than the number is the same as the difference between -16 and the number. What is the number?
A. -4
B. -3
C. -2
D. -1
Answer: C
Mathematics
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Find the midpoint of the segment with the given endpoints.
and 
A. (36, 100)
B. (144, 16)
C. 
D. 
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Identify the like terms in the algebraic expression. 18p + 3 - 4q + 2 - 8p
A. 18p and 8p B. 18p, -8p and -4q; 3 and 2 C. 18p and -8p; 3 and 2 D. 18p, -8p and -4q
Mathematics
Determine whether the graph shown is the graph of a polynomial function.
A. polynomial function B. not a polynomial function
Mathematics
Use a graphing calculator to approximate the vertex of the graph of the parabola defined by the following equation.y = x2 + 2x - 6
A. (-1, -7) B. (1, -7) C. (-1, -6) D. (1, 7)
Mathematics