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 9 degrees? (Round to the nearest foot.)
A. 67
B. 12
C. 45
D. 30
Answer: B
Mathematics
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Translate to a proportion. Do not solve.3.6% of 78 is what?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Write the inequality in interval notation.
A. (4, ?) B. (-?, ?] C. (-?, 4) D. (-?, -5]
Mathematics
Provide an appropriate response.Results of a survey of fifty students indicate that 30 like red jelly beans, 29 like green jelly beans, and 17 like both red and green jelly beans. How many of the students surveyed like neither red nor green jelly beans?
A. 17 B. 13 C. 8 D. 12
Mathematics
Write the equation in slope-intercept form.8x + 7y = 9
A. y = 8x + 12
B. y = 
x + 
C. y = 
x - 
D. y = 
x + 
Mathematics