Multiply to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.2
? 23
A. 61
B. 60
C. 51
D. 46
Answer: B
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Evaluate the surface integral of the function g over the surface S.G(x, y, z) = 
; S is the surface of the parabolic cylinder 10y2 + 5z = 15 bounded by the planes 
x = 1, y = 0, and z = 0
A. 
B. 
C. 
D. 
Solve. Write the answer in simplest form.A construction crew replaced 
mile of sewer line in the process of updating a section of a road. Another crew replaced 
mile of sewer line while working on the same project. How much longer was the sewer line that the second crew replaced?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Evaluate the function as indicated.Find f(-2) when f(x) = 
.
A. 
B. - 
C. 
D. 
Solve the problem.The gravitational attraction A between two masses varies inversely as the square of the distance between them. The force of attraction is 2.25 lb when the masses are 4 ft apart, what is the attraction when the masses are 6 ft apart?
A. 3 lb B. 1 lb C. 2 lb D. 4 lb