A car owner must decide whether she should take out a $100-deductible collision policy in addition to her liability insurance policy. Records show that each year, in her area, 17% of the drivers have an accident that is their fault or for which no fault is assigned, and that the average cost of repairs for these types of accidents is $1200. If the $100-deductible collision policy costs $100 per year, would she save money in the long run by buying the insurance or "taking the chance"? (Hint: Find the expected values if she has the policy and if she doesn't have the policy and compare them.)
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A. by buying the insurance
B. by taking the chance
Answer: A
Mathematics
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Simplify the following expression.
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 5 tan t, y = 3 sec t; -?/2 ? t ? ?/2 
A. 
B. 
C. 
D. 
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Using Kruskal's algorithm, which edge should we choose third?
A. BD B. EF C. DF D. BF E. none of these
Mathematics
Solve the sales tax problem.The purchase price of a sofa is $1005. If the sales tax rate is 6.8%, what is the overall price? Round to the nearest cent.
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Mathematics