A boat traveled 48 miles downstream in 4 hours and made the return trip in 6 hours. Find the rate of the current.
A. 10 mph
B. 2 mph
C. 3 mph
D. 4 mph
Answer: B
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Simplify.(2xy)-5
A. 
B. 
C. 32x5y5
D. 
The amount of snowfall in feet in a remote region of Alaska in the month of January is a continuous random variable with probability density function
?
?
Find the amount of snowfall one can expect in any given month of January in Alaska. Give the answer to one decimal place, if necessary.
?
__________ ft
Fill in the blank(s) with the appropriate word(s).
Fill in the blank with one of the words or phrases listed below.
The 
of a set of an ordered set of numbers is the middle number.
A. mean B. median C. mode D. probability
The given pattern continues. Write down the nth term of the sequence {an} suggested by the pattern.
, 
, 
, 
, ...
A. an = 
B. an = 
C. n(n + 3)
D. an = 