Evaluate the expression, if possible.
A. -81
B. 
C. 81
D. - 
Answer: C
Mathematics
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Graph the inequality.2x + 4y ? -8
A. 
B. 
C. 
D. 
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Find the coordinates of the vertex for the horizontal parabola defined by the given equation.x = (y + 5)2 - 2
A. (-2, -5) B. (-2, 5) C. (5, -2) D. (-5, -2)
Mathematics
Solve the system by substitution. If the system is inconsistent or dependent, say so.y = xx = -y
A. infinite number of solutions of the equation y = x; dependent system B. (1, -1) C. (0, 0) D. empty set solution; inconsistent system
Mathematics
Determine the place value of the digit 3 in the whole number.2530
A. hundreds B. thousands C. ones D. tens
Mathematics