Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
If we use the priority list F, E, A, D, B, G, C and the priority-list model to schedule this project with two processors, we should start by assigning
A. task B to one processor, task C to the other one.
B. task B to one processor, task E to the other one.
C. task A to one processor, task C to the other one.
D. task A to one processor, task B to the other one.
E. none of these
Answer: D
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Match the function f with its graph.f (x) = log4 x
A. 
B. 
C. 
D. 
Solve the problem.Helen Weller invested $10,000 in an account that pays 10% simple interest. How much additional money must be invested in an account that pays 13% simple interest so that the total interest is equal to the interest on the two investments at the rate of 11%?
A. $5000 B. $7000 C. $10,000 D. $6000
Solve the system.
A. x = 0, y = -6, z = 1 B. x = 0, y = 6, z = -1 C. x = 3, y = 0, z = -4 D. x = -3, y = 0, z = 4
Subtract.
A. 443 B. 7443 C. 7377 D. 7437