Solve the problem.The distance d in miles that can be seen on the surface of the ocean is given by 
where h is the height in feet above the surface. How high would a platform have to be to see a distance of 16.5 miles? Round to the nearest foot.
A. 110 ft
B. 408 ft
C. 121 ft
D. 272 ft
Answer: C
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Rewrite the following number using digits.Eight thousand, one hundred sixty-seven
A. 810,067 B. 800,167 C. 81,067 D. 8167
Solve the problem.A young woman wins $150,000 and buys 5 new cars. She chooses from cars that are priced at $40,000, $30,000, and $25,000 and spends all of the money. How many $25,000 cars did she buy?
A. 0, 1, 2, or 3 B. 0 C. 0 or 2 D. 6
Solve the problem.Write the difference in the areas between the large square with sides of length 5 and a smaller square with sides of length x, using factored form.
5
A. 25 - x2 B. x2 + 10 - 25 C. (5 - x)(5 + x) D. (x - 5)(x + 5)
Find the exact value of the trigonometric expression without the use of a calculator.If sin ? = 
, 
< ? < ? and cos ? = 
, 0 < ? < 
, find the exact value of cos (? - ?).
A. 
B. 
C. 
D. 