Solve and check.On a clear day, the distance d (in miles) that a lookout on a ship can see to the horizon from height h (in feet) can be approximated by the formula 
How high must a lookout climb to see a ship 16.5 miles away? Round to the nearest foot.
A. 326 ft
B. 138 ft
C. 189 ft
D. 272 ft
Answer: C
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Use the circle graph to solve the problem.The circle graph shows the percent of the total population of 47,300 of Springfield living in the given types of housing.
Find the number of people who live in condos. Round your result to the nearest whole number.
A. 38,313 people B. 19 people C. 6622 people D. 8987 people
Perform the indicated operations.
- 
A. 1
B. 
C. 
D. 
Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 1
C. 
D. 
Solve the problem.Suppose a cost-benefit model is given by f(x) = 
,where f(x) is the cost in thousands of dollars for removing x percent of a given pollutant. Find the cost of removing 95%, and round to the nearest dollar.
A. $5900 B. $5605 C. $19,000 D. $112,100