Solve the inequality.x2 + 9x ? 0
A. [0, 9]
B. [-9, 0]
C. (-?, 0] or [9, ?)
D. (-?, -9] or [0, ?)
Answer: D
Mathematics
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Mathematics
Provide an appropriate response.The Rule of 78 got its name from:
A. the sum of the number of parts of accruing interest for a 12-month loan
B. the refund fraction always equals 
C. the year in which it was enacted: 1978
D. the number of years applied to the refund fraction
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Let U = {1, 2, 3, 4, 5, 6, 7}, A = {1, 2, 3, 5} and C = {3, 4, 6}. List all the members of the following set.
?
?
A. 
B. 
C. 
D. 
E. 
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Graph the solution set to the inequality.x + 5y ? 6
A. 
B. 
C. 
D. 
Mathematics