Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = 8
B. x = 0
C. x = -8
D. none
Answer: C
Mathematics
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Evaluate the expression.3-2
A. -9
B. 9
C. 
D. 
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Solve the problem.In the weighted voting system 
, every player has veto power. The value of the quota q is
A. 18. B. 10. C. 15. D. 17. E. none of these
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Solve the problem.Suppose a life insurance policy costs $28 for the first unit of coverage and then $7 for each additional unit of coverage. Let C(x) be the cost for insurance of x units of coverage. What will 10 units of coverage cost?
A. $70 B. $98 C. $42 D. $91
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Solve. Write the answer in simplest form.The total length of a bicycle race is 
of a mile. Molly has completed 
of a mile. How much does she have left to complete?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
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