Factor completely.x2 - 3xy - 28y2
A. (x + 7y)(x - 4y)
B. (x - 7y)(x + y)
C. (x - 7y)(x + 4y)
D. (x - y)(x + 4y)
Answer: C
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What kind of presentation is most appropriate for displaying the type of information below?The percentage of Biology majors each year since 1970.
A. table, bar graph, histogram, pie chart B. table C. bar graph D. bar graph, line graph E. table, bar graph, histogram
Use the graph below to answer the question.
Which of the following is NOT a path starting at vertex A and ending at vertex E?
A. A, B, C, D, E B. A, D, G, E C. A, D, E D. A, C, D, E
Solve the problem.What is the domain of the sine function?
A. all real numbers, except odd multiples of 
(90°)
B. all real numbers, except integral multiples of ? (180°)
C. all real numbers from -1 to 1, inclusive
D. all real numbers
If a firm generates excessive debt after an acquisition, credit rating agencies will reduce its credit rating. This reflects the fact that the firm
A. is likely to become an acquisition target itself. B. did not perform adequate due diligence before the acquisition. C. has become overdiversified. D. is a riskier investment.