Solve.If y varies directly as the square root of x, and y = 8 when x = 1, find y when x = 100.
A. 80
B. 800
C. 
D. 
Answer: A
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Solve.The variable w varies inversely as p with negative variation constant k. For positive values of p, what happens to the value of w as the value of p increases? For negative values of p, what happens to the value of w as the value of p increases?
A. It decreases; it increases B. It increases; it increases C. It decreases; it decreases D. It increases; it decreases
Solve the problem.You purchase a 194-day, $1000 U.S. Treasury bill at 0.12% discount. On the date of maturity, you will receive $1000. How much did you actually pay for the Treasury bill?
A. $949.35 B. $1109.35 C. $1000.65 D. $999.35
A set of data items is normally distributed with a mean of 60. Determine the z-score for the data point given, if the standard deviation is as given.data item: 47; standard deviation: 13
A. 1 B. 13 C. -13 D. -1
Solve the equation on the interval 0 ? ? < 2?.2 cos ? + 3 = 2
A. 
B. 
C. 
D. 