Write the sentence as a proportion.6 dollars is to 21 bottles as 14 dollars is to 49 bottles.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: D
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Find the flux of the vector field F across the surface S in the indicated direction.F = x3yi - zk; S is portion of the cone z = 2
between z = 0 and z = 1; direction is away from the z-axis
A. 
?
B. - 
?
C. - 
D. - 
?
Provide an appropriate response.What must be done to the dividend before beginning the "long division" process for (8a3 + 2a2 + 8a4 + 2a + 5) ÷ (9a + 7)?
What will be an ideal response?
Solve the problem.Sue can sew a precut dress in 3 hours. Helen can sew the same dress in 2 hours. If they work together, how long will it take them to complete sewing that dress? Give your answer rounded to one decimal place, if necessary.
A. 1.2 hr B. 1.8 hr C. 2.5 hr D. 5 hr
Determine where the given function is increasing and where it is decreasing. f(x) = (x + 4)2/3 - 5
A. Decreasing on (-?, ?) B. Increasing on (-?, -4], decreasing on [-4, ?) C. Decreasing on (-?, -4], increasing on [-4, ?) D. Decreasing on (-?, -4] and [0, ?), increasing on [-4, 0)