Solve the problem.A piece of rectangular sheet metal is 36 inches wide. It is to be made into a rain gutter by turning up equal edges to form parallel sides. Let x represent the length of each of the parallel sides. For what value of x will the area of the cross section be a maximum (and thus maximize the amount of water that the gutter will hold)? If necessary, round to 2 decimal places.
A. 72
B. 144
C. 18
D. 9
Answer: D
Mathematics
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Simplify using the quotient rule.
A. -5x6y7 B. -5x7y3 C. -5x6y2 D. x7y3
Mathematics
Evaluate the given binomial coefficient.
A. 
B. 8385
C. 
D. 1,073,280
Mathematics
The following table gives the weight in ounces of the eight Alaskan Malamute puppies born to Justin and Misty on December 28, 2007:
What is the average weight of the last three puppies born?
A. 5
oz
B. 5
oz
C. 6
oz
D. 14
oz
Mathematics
Simplify the exponential expression.x-4 ? x2
A. 
B. x2
C. 
D. x6
Mathematics