Use the 68-95-99.7 rule to solve the problem.Scores on a test are normally distributed with a mean of 106 and a standard deviation of 20. What percentage of scores are greater than 126?
A. 68%
B. 84%
C. 16%
D. 32%
Answer: C
Mathematics
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Solve the problem.Janet is training for a triathlon. Yesterday she jogged for 10 miles and then cycled another 45.5 miles. Her speed while cycling was 6 miles per hour faster than while jogging. If the total time for jogging and cycling was 4.5 hours, at what rate did she cycle?
A. 16 miles per hour B. 13 miles per hour C. 14 miles per hour D. 12 miles per hour
Mathematics
Evaluate the expression.- 
-1
A. -4
B. 
C. - 
D. 4
Mathematics
Solve.
+ 
= 2
A. No solution B. 2 C. -2 D. 0
Mathematics
Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
Mathematics