Solve the problem.Carla took an English test with 60 problems. She got -12 of the problems wrong and 18 of the problems right. What percent of the test did she do correctly?
A. 31%
B. 30%
C. 300%
D. 3%
Answer: B
Mathematics
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Calculate the requested distance.The distance from the point S(6, -5, 7) to the line x = -4 + 10t, y = 7 + 2t, 
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B. 
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D. 
Mathematics
Solve.Wayne has $17 in his bank account. A check written against his account for $27 arrives at the bank. What is his balance?
A. $44 B. -$10 C. $10 D. -$44
Mathematics
Find an equation of the line having the specified slope and containing the indicated point. Write your answer in slope-intercept form.m = 9; (0, 4)
A. f(x) = 9x + 4 B. f(x) = 9x + 11 C. f(x) = 9x + 9 D. f(x) = -9x + 2
Mathematics
Use a graphing utility to find the inverse of the matrix, if it exists. Round answers to two decimal places, if necessary. 
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B. 
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D. 
Mathematics