Simplify the expression by using the order of operations.5 ? 3 - 7
A. 105
B. 8
C. 20
D. 22
Answer: B
Mathematics
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Solve the problem.Find the center of mass of the hemisphere of constant density bounded 
and the 
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 1
D. 
= 0, 
= 0, 
= 
Mathematics
A project consists of five tasks. The lengths of the tasks (in hours) are 5, 4, 4, 3, and 3. The tasks are all independent (i.e., there are no precedence relations).Using the critical-path algorithm to schedule the project with two processors, the finishing time is
A. 12 hours. B. 10 hours. C. 11 hours. D. 9 hours. E. none of these
Mathematics
Simplify.
A. 5 B. 10 C. 2 D. 25
Mathematics
Evaluate the expression. 
A. 1,663,200
B. 330
C. 7920
D. 
Mathematics