A student who has not studied for an 8-question multiple-choice test, with 4 choices among the answers 
for each question, decides to simulate such a test and answer the questions according to a simulation in which each choice of answer has the same probability. Assume the correct answers are a, b, d, c, b, b, a, d. The simulation is
shown below. What is the student's score? 
A. 25%
B. 50%
C. 37.5%
D. 62.5%
Answer: B
Mathematics
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Solve the problem.How long will it take for $6100 to grow to $7600 at an interest rate of 12.4% if the interest is compounded quarterly? Round the number of years to the nearest hundredth.
A. 1.80 yr B. 10.20 yr C. 1.88 yr D. 7.20 yr
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Simplify the radical. Assume that all variables represent positive numbers.
A. 55
B. 11
C. 77
D. 121
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Write an equivalent expression using negative exponents.
A. 3-9 B. 8-3 C. 38 D. 3-8
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Solve the problem.A $280 watch is on sale at 10% off. Find the sale price.
A. $252.00 B. $28.00 C. $2772.00 D. $2.80
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