Add.-36 + 4
A. -32
B. 32
C. -40
D. 40
Answer: A
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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 four processors has a finishing time of 15 hours, what is the total idle time in the schedule?
A. 6 hours. B. 8 hours. C. 2 hours. D. 4 hours. E. none of these
Use elimination to solve each system of equations, if possible. Identify the system as consistent or inconsistent. If the system is consistent, state whether the equations are dependent or independent. 7x - 7y = -284x - 2y = -16
A. (-5, 1); consistent and independent B. (-4, 1); consistent and independent C. infinitely many solutions and dependent D. (-4, 0); consistent and independent
Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set.4x + 7(x + 1) + 3 = 10 - 3x
A. Contradiction; ? B. Identity; {all real numbers} C. Conditional; {1} D. Conditional; {0}
Solve.
= x
A. -9, -4 B. -4, 9 C. 4, 9 D. empty set solution