A salesperson is paid a commission of $90 for selling $360 worth of goods. What is the commission on $880 of sales at the same rate of commission?
A. $225
B. $440
C. $220
D. $230
E. $235
Answer: C
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Evaluate the algebraic expression.
x
when x = 12
A. 15
B. 
C. 
D. 8
Solve the application. Write an expression to describe the situation and simplify the expression for the final answer.The stock market gained 9 points on Tuesday and lost 19 points on Wednesday. It had closed on Monday at 2676 points. Where did the market close on Wednesday?
A. 2676 + 9 + (19) = 2648; The market closed at 2648 points on Wednesday. B. 2676 + 9 + (-19) = 2666 ; The market closed at 2666 points on Wednesday. C. 2676 + (-9) + (-19) = 2686; The market closed at 2686 points on Wednesday. D. 2676 + (-9) + (19) = 2704; The market closed at 2704 points on Wednesday.
Evaluate. 
2? 
3
A. 
B. 
C. 
D. 
Solve the system. x - y + 5z = 272x + z = 5 x + 4y + z = -3
A. {(0, -2, 5)} B. {(5, -2, 0)} C. ? D. {(5, 0, -2)}