Perform the indicated operation and simplify.
A. 
B. 
C. 
D. 
E. 
Answer: B
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Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = 10xi + 10yj + 10zk , S is the surface of the sphere x2 + y2 + z2 = 1 in the first octant, direction away from the origin
A. 0
B. 
?
C. 
?
D. 5?
Solve the problem.A local department store sold carpets in 4 sizes. Each carpet came in 3 qualities. One size carpet came in 6 colors. The other sizes came in 5 colors. How many choices of carpet were there?
A. 69 B. 56 C. 60 D. 63
Fill in the blank with < or >.-1 
9
A. > B. <
The following stem-and-leaf plot gives the heights of the 20 highest mountains in two continents. Use the plots to answer the question. 
Find the mean of the heights of the 20 highest mountains in Continent X.
A. 14,420 feet B. 14,650 feet C. 15,002 feet D. 14,800 feet