Use the frequency polygon to answer the following.The frequency polygon shows the salaries of employees of a small company.
The greatest number of employees are in which salary group?
A. $50,000-$60,000
B. $30,000-$35,000
C. $50,000-$55,000
Answer: B
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Evaluate.
A. -3 B. 3 C. -2 D. -4
Solve the problem.While traveling at a constant speed in a car, the centripetal acceleration passengers feel while the car is turning is inversely proportional to the radius of the turn. If the passengers feel an acceleration of 20 feet per second per second when the radius of the turn is 100 feet, find the acceleration the passengers feel when the radius of the turn is 400 feet.
A. 8 ft/sec2 B. 6 ft/sec2 C. 7 ft/sec2 D. 5 ft/sec2
Provide an appropriate response.The number of loaves of whole wheat bread left on the shelf of a local quick stop at closing (denoted by the random variable X) varies from day to day. Past records show that the probability distribution of X is as shown in the following table. Find the probability that there will be at least three loaves left over at the end of any given day. 
A. 0.20 B. 0.65 C. 0.35 D. 0.15
Simplify the exponential expression using the rules for exponents.
A. 
B. 
C. 
D. 