Multiply and simplify.
? 
A. 
B. 
C. 
D. 120xy
Answer: A
Mathematics
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Solve the problem.The length of a table is 13 inches more than its width. If the area of the table is 
inches, what is its length?
A. 45 in. B. 32 in. C. 64 in. D. 19 in.
Mathematics
Find the second derivative of the function.
?
?
A. 
B. ?
C. ?
D. ?
Mathematics
Provide an appropriate response.Suppose that c = (0.2q - 20)3 + 20,000 is a total cost function, where c is the total cost (in dollars) of producing q units of a product. How fast is marginal cost changing when q = 150?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
? 0
A. [1, 7]
B. (1, 7]
C. (-?, 1) or [7, ?)
D. (-?, 7]
Mathematics