Solve.A stockbroker bought 85 shares of stock for $18.32 each. What was the total amount of the purchase?
A. $1557.10
B. $1557.30
C. $1557.20
D. $1557.31
Answer: C
Mathematics
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Factor.64c3 + 343
A. (4c + 7)(16c2 + 49) B. (64c + 7)(c2 - 28c + 49) C. (4c + 7)(16c2 - 28c + 49) D. (4c - 7)(16c2 + 28c + 49)
Mathematics
Find the probability to the nearest hundredth that the random variable of the probability density function has a value greater than the mean.f(x) = 4x-5; [1, ?)
A. 0.50 B. 0.29 C. 0.32 D. 0.23
Mathematics
Let x be a continuous random variable over [a, b] with probability density function f. Then the median of the x-values is that number m for which 
.Find the median.f(x) = 
x, [0, 4]
A. 
B. 2
C. 4
D. 2
Mathematics
Determine if the relation is a function.
A. function B. not a function
Mathematics