Solve.The cost C of a long-distance call varies directly as the length L of the call. If a 
call costs $0.95, what does a 30-minute call cost? Round your answer to the nearest cent.
A. $2.29
B. $2.04
C. $2.11
D. $1.99
Answer: B
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Solve the quadratic inequality. Write your answer in interval notation.x2 - 3x - 18 ? 0
A. (-?, -3] B. [6, ?) C. [-3, 6] D. (-?, -3] ? [6, ?)
Provide an appropriate response.When interest is calculated on the unpaid balance of a loan at the end of each payment period you are working with a basic installment loan.
A. True B. False
As the price of a commodity decreases, what happens to supply? ?
A. If the price decreases, then the supply will increases. B. If the price decreases, then the supply will remain constant. C. If the price decreases, then the supply will decreases.
Determine whether the statement is true or false.A positive number is always greater than a negative number.
A. True B. False