Graph the system of inequalities.2x + 3y ? 6 x - y ? 3 x ? 1
A. 
B. 
C. 
D. 
Answer: D
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Solve the equation involving fractions.
+ 
= 5
A. - 
, 10
B. 2, 10
C. - 
, -10
D. 
, -10
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.A company increased the number of its employees from 600 to 680. What was the percent increase in employees?
A. 88.2% B. 11.8% C. 53.1% D. 13.3%
Factor completely.4m2 - 
A. 
B. 
2
C. Prime
D. 
2
Solve the problem.The gas mileage, m, of a compact car is a linear function of the speed, s, at which the car is driven, for 
For example, from the graph we see that the gas mileage for the compact car is 45 miles per gallon if the car is driven at a speed of 
Find and interpret the average rate of change in gas mileage between speeds of 40 mph and 90 mph.
A. -0.5 miles per gallon/mph; Between speeds of 40 mph and 90 mph, gas mileage decreases at a rate of 0.5 miles per gallon for each 1 mph increase in speed. B. -0.75 miles per gallon/mph; Between speeds of 40 mph and 90 mph, gas mileage decreases at a rate of 0.75 miles per gallon for each 1 mph increase in speed. C. 0.5 miles per gallon/mph; Between speeds of 40 and 90 mph, gas mileage increases at a rate of 0.5 miles per gallon for each 1 mph increase in speed. D. -0.5 miles per gallon/mph; Between speeds of 40 and 90 mph, speed decreases at a rate of 0.5 miles per hour for each 1 mpg increase in gas mileage.