Solve the problem.Bob can machine 40 units in 10 hours. How many units can he machine in 2 hours?
A. 2 unit(s)
B. 4 units
C. 8 units
D. 80 units
Answer: C
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Perform the indicated operation. Simplify, if possible.
- 
+ 3
A. 
B. 
C. 
D. 
Solve.David recently switched to a long distance phone company which charges a monthly fee of $4.95 plus $0.06 per minute. A linear function that expresses the monthly bill B as a function of minutes used m is 
What is the monthly bill if 230 minutes were used for long distance phone calls?
A. $18.75 B. $142.95 C. $16.55 D. $13.80
Choose the correct word. ? Any _____ different points determine exactly one line. ?
A. two B. three
Use addition to check the subtraction problem. If the answer is incorrect, find the correct answer.
31
A. Incorrect; should be 20 B. Incorrect; should be 30 C. Correct D. Incorrect; should be 29