Solve the problem and answer the question.One number is 7 times larger than another. The sum of their reciprocals is 
. Determine the two numbers.
A. 7 and 49
B. 56 and 392
C. 8 and 56
D. 
and 
Answer: C
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Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.-4x - y + 5z = -14-2x + 4y - 8z = -28 9x - 2y + z = 63
A. (8, 7, 5) B. (-8, 7, 16) C. (8, 5, 7) D. No solution
Write a description of the set.D = {January, February, March, April, May, June, July, August, . . .}
A. Set D is the set of time zones in America. B. Set D is the set of the months in a year. C. Set D is the set of seasons. D. Set D is the set of days in a week.
Complete the comparative income statement. Round percents to the nearest tenth of a percent.
What will be an ideal response?
Factor out the greatest common factor.27x4y3 - 6x3y2 + 15x2y
A. 3(9x4y3 - 2x3y2 + 5x2y) B. 3x2y(9x2y2 - 2xy + 5) C. 3xy(9x3y2 - 2x2y + 5x) D. 3x2y2(9x2y - 2x + 5)