Solve the problem.It costs $300 to start up a business of selling hot dogs. Each hot dog costs 
to produce. Let y be the cost in dollars of producing x hot dogs. Write the cost equation.
A. y = 85x + 300
B. y = .85x + 300
C. y = 300x + .85
D. y = .85x - 300
Answer: B
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Solve the problem.The diagram below shows a rope connecting the top of a pole to the ground. The rope is 20 yd long and touches the ground 15 yd from the pole. How tall is the pole? Round approximations to the nearest tenth. 
15 yd
A. 17.5 yd B. 6.6 yd C. 13.2 yd D. 87.5 yd
Solve the proportion equation.
= 
A. 112
B. 6
C. 12
D. 1
The registrar of Kellog University estimates that the total student enrollment in the Continuing Education division will grow at the rate of
?
students/year 
years from now. The current student enrollment is 2,000. What will be the student enrollment 6 years from now?
?
A. 8,516 students B. 6,936 students C. 6,382 students D. 9,195 students E. 9,574 students
Find the area.
A. 10
m2
B. 7 m2
C. 21 m2
D. 14 m2