Factor the expression.20(m - 4)2 - 9(m - 4) - 18
A. (5m + 10)(4m + 7)
B. (5m + 23)(4m + 22)
C. (5m + 6)(4m + 3)
D. (5m - 26)(4m - 13)
Answer: D
Mathematics
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The following double-bar graph illustrates the revenue for a company for the four quarters of the year for two different years. Use the graph to answer the question. 
In what quarter was the revenue the greatest for 2010?
A. first quarter B. fourth quarter C. third quarter D. second quarter
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Find the following.f'(2) if f(x) = -8x-1 + 5x-2
A. - 
B. - 
C. 
D. 
Mathematics
Solve the problem.The sum of the squares of two numbers is 97. The difference of the two numbers is -5. Find the two numbers.
A. -4 and 9 or -9 and 4 B. -9 and -4 C. 4 and 9 or -9 and -4 D. 4 and 9
Mathematics
Find the value of the function.Given f(x) = 6x + 18, find f(-10).
A. -78 B. 6 C. -42 D. 78
Mathematics