Solve the problem.Jeff takes 5 hours longer to build a fence than it takes Bill. When they work together, it takes them 6 hours. How long would it take Bill to do the job alone?
A. 11 hours
B. 10 hours
C. 12 hours
D. 9 hours
Answer: B
Mathematics
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Evaluate.sin(sin-1 (-0.857))
A. -0.857 B. 2.285 C. 3.999 D. 0.857
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Insert three geometric means ( two positive and one negative ) between - 84 and - 6,804.
A. 250, - 754, 754 B. 252, - 755, 754 C. 252, - 756, 2,268 D. 253, 755, - 2,267
Mathematics
Solve the problem.If the probability that an identified hurricane will make a direct hit on a certain stretch of beach is 0.02, what are the odds against a direct hit?
A. 48 to 1 B. 1 to 50 C. 49 to 1 D. 50 to 1
Mathematics
Find the probability.When a single card is drawn from an ordinary 52-card deck, find the probability of getting a jack.
A. 
B. 
C. 
D. 
Mathematics