For problems 13-15:An investor can invest at most $20,000 in a retirement plan. He wants to place at least $5000 in Treasury Notes yielding 5% and more than $14,000 in corporate bonds yielding 8%. He also wants to earn $1420 annually. Let 
the amount invested in Treasury Notes and 
the amount invested in corporate bonds. Estimate the vertices of the feasible region.
A. 
B. 
C. 
D. 
E. none of these
Answer: A
Mathematics
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Provide an appropriate response.If a trend line had equation y = 6x - 11, what type of association would you expect the data to have?
A. negative association B. positive association C. no association
Mathematics
Look for a pattern and then predict the general term, or nth term, an, of the sequence.
, 
, 
, 
, 
, . . .
A. an = 
B. an = 
C. an = 
D. an = 
Mathematics
Multiply.
2
A. 49x2 - 
B. 49x2 - 
x - 
C. 
x2 + 2x - 49
D. 
x2 - 2x + 49
Mathematics
Solve the problem.How many different three-digit numbers can be written using digits from the set {3, 4, 5, 6, 7} without any repeating digits?
A. 20 B. 120 C. 60 D. 10
Mathematics