Solve the problem.Sue has taken four exams so far in her History course. His scores are 98.5, 78.2, 93, and 87.5. What is the average of these scores?
A. 87.9
B. 89.3
C. 91.5
D. 89.45
Answer: B
Mathematics
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For the function f, use composition of functions to show that f-1 is as given.
, 
What will be an ideal response?
Mathematics
Use the Ratio Test to determine if the series converges or diverges.
A. Diverges B. Converges
Mathematics
The given number expresses angle measure. Express the measure in terms of degrees.
A. 135° B. 110° C. 100° D. 120°
Mathematics
Solve the problem using the idea of labeling.In how many ways can 10 officers be assigned with 5 assigned to parking, 2 assigned to security, and 3 assigned to emergencies?
A. 120,960 B. 2520 C. 362,880 D. 15,120
Mathematics