Solve the problem. Round your answer, as needed.A deep sea diving bell is being lowered at a constant rate. After 8 minutes, the bell is at a depth of 500 ft. After 35 minutes the bell is at a depth of 1900 ft. What is the average rate of lowering per minute?
A. 54.3 ft per minute
B. 51.9 ft per minute
C. 40.0 ft per minute
D. 0.02 ft per minute
Answer: B
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If r is a positive number and the point (x, y) is in the indicated quadrant, decide whether the given ratio is positive or negative.II, 
A. Positive B. Negative
Find the zeros of the polynomial function and state the multiplicity of each.f(x) = x4 - 6x2 + 8
A. -2, multiplicity 1; 2, multiplicity 1; -
, multiplicity 1
B. 4, multiplicity 1; -
, multiplicity 1; 
, multiplicity 1
C. 4, multiplicity 1; 2, multiplicity 1
D. -2, multiplicity 1; 2, multiplicity 1; -
, multiplicity 1; 
, multiplicity 1
Determine whether the number is prime, composite, or neither.73
A. Neither B. Prime C. Composite
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.ln 
A. 
ln
B. ln 
- ln 
C. 
ln x - 
ln y
D. 
ln x - ln y