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