Solve the problem.A bag contains 15 balls numbered 1 through 15. What is the probability of selecting a ball that has an even number when one ball is drawn from the bag?
A. 
B. 7
C. 
D. 
Answer: D
Mathematics
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Evaluate the integral.
dz
A. - 
csc 
+ C
B. -cot 
+ C
C. csc 
+ C
D. -csc 
+ C
Mathematics
Use the graph to evaluate the limit.
f(x)
A. -2 B. does not exist C. 2 D. 0
Mathematics
Answer the question(s) based on the following situation: Over the last 80 years records have been kept of the annual rainfall in the Tasmanian desert. The distribution of annual rainfall is approximately normal and has no outliers. The minimum of 4.5 inches of rain occurred in 1952; the maximum of 11.7 inches of rain occurred in 1934.The standard deviation of the rainfall distribution is approximately
A. 1.2 inches. B. 3.6 inches. C. 7.2 inches. D. 1.8 inches. E. none of these
Mathematics
Graph the pair of functions on one coordinate plane.f(x) = x2g(x) = (x + 2)2 - 3
A. 
B. 
C. 
D. 
Mathematics