Solve.Jeff takes 5 hr 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. 9 hours
C. 10 hours
D. 12 hours
Answer: C
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1.3594 to the nearest thousandth
A. 1.359 B. 1.36 C. 1.358 D. 1.360
The management of UNICO Department Store decides to enclose an 
area outside their building to display potted plants. The enclosed area will be a rectangle, one side of which is provided by the external walls of the store. Two sides of the enclosure will be made of pine board, and the fourth side will be made of galvanized steel fencing material. If the pine board fencing costs $15/running foot and the steel fencing costs $5/running foot, determine
the dimensions of the enclosure that will cost the least to erect. Round your answers to two decimal places.
?
?
A. 14.31 ft by 84.68 ft
B. 12.13 ft by 86.86 ft
C. 14.14 ft by 84.85 ft
D. 15.68 ft by 83.31 ft
Find the probability of rolling a sum of 5 with one roll of three dice. ? Please enter your answer as a fraction.
What will be an ideal response?
Solve the problem.Between 7:00 AM and 8:00 AM, trains arrive at a subway station at a rate of 5 trains per hour 
per minute). The following formula from statistics can be used to determine the probability that a train will arrive within t minutes of 7:00 AM. F(t) = 1 - e-0.08tDetermine how many minutes are needed for the probability to reach 90%.
A. 13.58 min B. 8.90 min C. 28.78 min D. 1.14 min