Solve the problem.The area of a rectangular piece of cardboard shown is 960 square inches. The cardboard is used to make an open box by cutting a 2-inch square from each corner and turning up the sides. If the box is to have a volume of 1440 cubic inches, find the dimensions of the cardboard that must be used.
A. 24 in. by 40 in.
B. 22 in. by 38 in.
C. 26 in. by 42 in.
D. 20 in. by 34 in.
Answer: A
Mathematics
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Evaluate the integral.
A. 
B. 
?
C. 
- ?
D. 
?
Mathematics
Solve the equation.5x = 625
A. {3} B. {4} C. {125} D. {5}
Mathematics
Solve the problem.Suppose that a cost-benefit model is given by ?f(x) = 
where f(x) is the cost in thousands of dollars of removing x percent of a given pollutant. What is the vertical asymptote of the graph of this function? What does this suggest about the possibility of removing all of the pollutant? Explain your reasoning.
What will be an ideal response?
Mathematics
Find the sum or difference, and write in lowest terms, if necessary.
- 
A. - 1
B. - 
C. 
D. 1
Mathematics