Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
Consider the following timeline using two processors.
A. This timeline is an illegal schedule.
B. This timeline is an optimal schedule.
C. This is the timeline one gets using the critical-path algorithm.
D. This is the timeline one gets using the decreasing-time algorithm.
E. none of these
Answer: B
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Solve.
+ 
= -1
A. - 
B. 0
C. 5
D. No solution
Find the inverse matrix of A.A = 
A. 
B. 
C. 
D. 
Simplify the expression.(8z + 8) - (3z - 5)
A. 5z - 13 B. 11z + 13 C. 5z + 13 D. 5z + 3
Solve the problem.Quail are game birds that fair poorly when their habitat is encroached. Wildlife biologists have discovered that the population of quail in a region can be related to the percent of the region that has been paved with roads and parking lots. The population is P = k ln
, 0 ? x ? 28,where x is the percent of the region that is paved. For a particular rural region, 
when 
Predict what the quail population will be in this region when
it becomes 8% paved. A. 0 quail B. 621 quail C. 568 quail D. 579 quail