Solve the problem.The temperature of water in a certain lake on a day in October can be determined by using the model 
where x is the number of feet down from the surface of the lake and y is the Celsius temperature of the water at that depth. Based on this model, how deep in the lake is the water 8 degrees? Round to the nearest foot.
A. 69 ft
B. 13 ft
C. 43 ft
D. 32 ft
Answer: B
Mathematics
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Write the statement as an inequality.x is less than 6
A. x ? 6 B. x > 6 C. x ? 6 D. x < 6
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Divide. Write a mixed numeral for the answer.27 ÷ 1
A. 17
B. 18
C. 19
D. 16
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Find the common ratio r for the given infinite geometric sequence.
, 
, 
, 
, 
, ...
A. 
B. 2
C. 12
D. 
Mathematics