Find the difference.
- 
A. - 
B. - 
C. 
D. - 
Answer: C
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Use the data set {0, -1, -3, 3, 3, -5, -7, 10} to answer the following question(s).The standard deviation of the data set is
A. 25.25. B. 14.213. C. 5.972. D. 5.025. E. none of these
Divide.Divide using synthetic division: 
A. 3x + 4
B. x - 4
C. 3x - 4
D. 3x - 4 + 
The bar graph below shows the number of students by major in the College of Arts and Sciences. Answer the question.
The English department assigns a counselor to each student majoring in English. Each counselor is assigned 50 students. How many counselors are needed?
A. 10 B. 15 C. 12 D. 8
Solve the problem.The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by 
where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find the pH if the hydrogen ion concentration is 
A. 4.33 B. 4.67 C. 3.33 D. 3.67