Solve the problem.A salesperson gets a commission of $1600 for the first $10,000 of sales, and then $800 for each additional $10,000 or partial of sales. Let S(x) represent the commission on x dollars of sales. Find the value of 
A. $5200
B. $3600
C. $4400
D. $4800
Answer: D
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Solve.
= 3 + 
A. 5, 8 B. -1 C. -5, -8 D. No solution
Perform the indicated operation or operations. Write the answer in simplest form. If the problem contains mixednumbers and the answer is an improper fraction, express the answer as a mixed number.
3
A. - 
B. 
C. 
D. - 
Solve the problem.In a student survey, 112 students indicated that they speak Spanish, 31 students indicated that they speak French, 8 students indicated that they speak both Spanish and French, and 133 students indicated that they speak neither. How many students participated in the survey?
A. 260 B. 135 C. 268 D. 276
Identify the pair of lines as appearing to be parallel, perpendicular, or intersecting.
A. Intersecting B. Perpendicular C. Parallel