Evaluate the factorial expression.3!
A. 12
B. 3
C. 2
D. 6
Answer: D
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Solve the problem.The diagonal d (from the lower back corner to the upper front corner) of a rectangular solid, like the one shown below, is given by d = 
A rectangular shipping crate has a diagonal of 39 inches. If the longest side of the crate is 4.0 times the shortest side, and the other side is 3.0 in. longer than the shortest side, find all measurements of the crate, to the nearest inch. 
x x + 3.0 4x
A. 10 in., 13 in., 40 in. B. 15 in., 16 in., 60 in. C. 15 in., 36 in., 39 in. D. 9 in., 12 in., 36 in.
It is estimated that the time between arrivals of visitors to a public library is an exponential random variable with expected value of 13 minutes. Find the probability that 30 minutes elapses without any arrivals. Enter your answer as just ea/b, where 
is a reduced fraction.
What will be an ideal response?
Find a mathematical model representing the statement. (Determine the constant of proportionality.)
v varies jointly as p and q and inversely as the square of s. (? = 1.4 when p = 4.4, q = 7.3 and s= 1.8.)
a. 
b. 
c. 
d. 
Suppose for some base b > 0 (b ? 1) that logb 2 = A, logb 3 = B, 
and 
Express the given logarithms in terms of A, B, C, or D.logb 21
A. A + B B. A + D C. B + D D. B + C