Solve the problem.Julie and Eric row their boat (at a constant speed) 45 miles downstream for 5 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 9 hours. Find the rate of the current.
A. 7 mph
B. 1.5 mph
C. 2 mph
D. 3 mph
Answer: C
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Match the inequality to its graph.y ? 2x
A. 
B. 
C. 
D. 
Write in the required form.-4
; fraction
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Solve.The sum of the squares of the digits of a positive two-digit number is 61, and the tens digit is 1 more than the units digit. Find the number.
A. 65 B. 54 C. 45 D. 56
Use the method of natural frequencies to find the indicated probability.Shameel has a flight to catch on Monday morning. His father will give him a ride to the airport. If it rains, the traffic will be bad and the probability that he will miss his flight is 0.06. If it doesn't rain, the probability that he will miss his flight is 0.01. The probability that it will rain on Monday is 0.16. Suppose that Shameel misses his flight. What is the probability that it was raining?
A. 0.16 B. 0.06 C. 0.533 D. 0.467