Solve the problem. Round your answer, as needed.A deep sea diving bell is being lowered at a constant rate. After 9 minutes, the bell is at a depth of 500 ft. After 40 minutes the bell is at a depth of 1900 ft. What is the average rate of lowering per minute?
A. 35.0 ft per minute
B. 45.2 ft per minute
C. 0.02 ft per minute
D. 47.5 ft per minute
Answer: B
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Solve the problem.In a recent survey in Canada, 81.9% of men shave with a razor blade, which is 1.5 times the percentage of men in Canada who shave with an electric razor. What is the percentage of men in Canada who shave with an electric razor?
A. 41% B. 54.6% C. 81.9% D. 27.3%
Solve the problem.At a ticket booth, customers arrive randomly at a rate of x per hour. The average line length is 
where 
To keep the time waiting in line reasonable, it is decided that the average line length should not exceed 6 customers. Solve the inequality 
to determine the rates x per hour at which customers can arrive before a second attendant is needed.
A. 0 ? x ? 19 B. 0 ? x ? 17 C. 0 ? x ? 16 D. 0 ? x ? 18
Change the logarithmic expression to an equivalent expression involving an exponent.y = log61 x
What will be an ideal response?
Classify as an expression or an equation.4 - 1xy
A. Equation B. Expression