Check to see if the given number is a solution for the equation.x3 + 7x2 = - 8(x2 + 7x); check x = -8
A. -8 is not a solution.
B. -8 is a solution.
Answer: B
Mathematics
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Solve the problem.Consider a project consisting of nine tasks (A through I) with the following processing times (in hours): 
D(3), E(6), F(4), G(8), H(7), and I(4). If a schedule with three processors has a finishing time of 22 hours, what is the total idle time in the schedule?
A. 16 hours. B. 14 hours. C. 12 hours. D. 10 hours. E. none of these
Mathematics
Find an equation for the circle.Center at (3, 0), radius 9
A. (x - 3)2 + y2 = 81 B. (x + 3)2 + y2 = 81 C. x2 + (y + 3)2 = 9 D. x2 + (y - 3)2 = 9
Mathematics
Sketch the graph of the pair of functions. Use a dashed line for g(x).f(x) = |x|, g(x)= |x - 2|
A. 
B. 
C. 
D. 
Mathematics
Simplify. Express in terms of i.
A. -2
B. -2i
C. 2i
D. 2
Mathematics