Solve and check. Note that the equation could be an identity or a contradiction.0.8(5x + 15) = 2.7 - (x + 3)
A. - 
B. 
C. - 
D. 5
Answer: A
Mathematics
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Find the vertex of the parabola.y = 3x2 - 12x + 16
A. (-4, -2) B. (2, 4) C. (-2, -4) D. (4, 2)
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Graph the equation. Identify the coordinates of the vertex.y = x2 + 5x + 6
A. 
B. 
C. 
D. 
Mathematics
Evaluate the given binomial coefficient.
A. 
B. 8385
C. 
D. 1,073,280
Mathematics
Simplify the expression so that no negative exponents appear in the final result. Assume all variables represent nonzero numbers.(72 ? 65)-3
A. 
B. 
C. 77 ? 67
D. 76 ? 615
Mathematics