The circle in the figure has a radius of r and center at C. The distance from A to B is x.
?
?
If 
and 
, find r.
?
Round the answer to the nearest whole number.
?
A. 17
B. 16
C. 14
D. 15
E. 21
Answer: A
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Use the given growth rate to find the approximate doubling time and to predict the population in 50 years of a growing suburban town (based on a current population of 100,000).Use the average growth rate between 1850 and 1950, which was about 0.2%.
A. 345 years; population in 50 years = 106,121 B. 350 years; population in 50 years = 110,409 C. 360 years; population in 50 years = 108,244 D. 352 years; population in 50 years = 112,617
Provide an appropriate response.Find the mean of the test scores from a math class whose scores were: 74, 52, 61, 97, 85, 77, 74, 98, 77, 89, 74, 70.
A. 79 B. 82 C. 78 D. 77
Solve the problem.Replace the question mark with < or > to make a true statement: 
? 
A. > B. <
Solve the problem.Best Office Machines spent $87,860 this year on health insurance alone. If total sales were $621,400, what percent of total sales was spent on health insurance? Round to the nearest tenth of a percent.
A. 1.4% B. 14.1% C. 71.0% D. 7.1%