Evaluate the determinant.
A. 636
B. 22
C. 27
D. 1
Answer: A
Mathematics
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Solve the equation by completing the square.9x2 + 2x - 7 = 0
A. 
, 1
B. 
, -1
C. 
, -1
D. No real solution
Mathematics
Solve the problem.Health care issues are receiving much attention in both academic and political arenas. A sociologist recently conducted a survey of senior citizens whose net worth is too high to qualify for Medicaid but who have no private health insurance. The ages of 25 uninsured senior citizens were as follows:
Find the median of the observations.
A. 72 B. 72.5 C. 69 D. 68 E. 73
Mathematics
Solve the equation.-2a = 14
A. {16} B. {1} C. {-16} D. {-7}
Mathematics
Write the first four terms of the sequence whose general term is given.
A. 10, 15, 20, 25
B. 6, 7, 8, 9
C. 10, 
, 
, 
D. 10, 
, 
, 
Mathematics