Multiply. Assume that all variables represent positive values.(3 + 
)(5 - 
)
A. 15 - 3
+ 5
- 
B. 35 - 3
+ 5
C. 15 - 3
+ 
- 
D. 
- 3
+ 5
- 
Answer: A
Mathematics
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Solve the problem.For what value of r does the infinite series 1 + 4r + r2 + 4r3 + r4 + 4r5 + r6 + . . . converge?
A. |r| < 1
B. |r| < 
C. |r| < 2
D. |r| < 4
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Use L'H
pital's rule to find the limit.
A. 1
B. 
C. -1
D. 0
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Determine whether the graph is a complete graph.
A. No B. Yes
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Solve.A store raises its prices, with each item now costing x% more. What is the new price of 10 items that used to sell for z dollars each?
A. 
dollars
B. 
dollars
C. 
dollars
D. 
dollars
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