Find the probability of the event.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. 
C. 
D. 7
Answer: C
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Write the form of the partial fraction decomposition of the rational expression. It is not necessary to solve for the constants.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
D. 
+ 
Solve the problem.The average number of vehicles waiting in line at a toll booth of a super highway is modeled by the function 
, where x is a quantity between 0 and 1 known as the traffic intensity. To the nearest tenth, find the average number of vehicles waiting if the traffic intensity is 0.81.
A. 3.5 vehicles B. 1.6 vehicles C. 8.5 vehicles D. 6.9 vehicles
Find the identical expression for the following.
?
?
A. 
B. 
C. 
D. 
E. 
Water is flowing into a barrel in the shape of a right circular cylinder at the rate of 700 in3per minute. If the radius of the barrel is 3 in, at what rate is the depth of the water changing when the water is 10 in deep? Round your answer to two decimal places.
A. 77.78 in per minute B. 222.82 in per minute C. 70.92 in per minute D. 74.27 in per minute E. 24.76 in per minute