A man roller-blades at a rate 5 miles per hour faster than he jogs. In the same time it takes him to roller-blade 6 miles he can jog 3 miles. How fast does he jog?
A. 4 mph
B. 3 mph
C. 5 mph
D. 1 mph
E. 2 mph
Answer: C
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Solve the problem.Find the outward flux of a constant vector field F = C across any closed surface to which the Divergence Theorem applies.
A. 
B. Not enough information to determine
C. 1
D. 0
Evaluate the radical expression if it is a real number. Use a calculator to approximate irrational numbers to the nearest hundredth. If the expression is not a real number, so state.-
A. -100 B. -20 C. -5 D. not a real number
Solve the problem.A reflecting telescope has a mirror shaped like a paraboloid of revolution. If the distance of the vertex to the focus is 34 feet and the distance across the top of the mirror is 78 inches, how deep is the mirror in the center?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Perform the indicated matrix operations.Let A = 
and B = 
. Find 4A + B.
A. 
B. 
C. 
D. 