Express in terms of logarithms of a single variable or a number.log20 
A. log20(3
) - log20 s
B. log20 3 ? 
log20 r ÷ log20 s
C. log20 s - log20 3 - 
log20 r
D. log20 3 + 
log20 r - log20 s
Answer: D
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Using Green's Theorem, calculate the area of the indicated region.The area bounded above by y = 8 and below by y = 
x2
A. 
B. 
C. 0
D. 
Provide an appropriate response.If 2x2 - xy + y2 = 4, then 
=
A. 
.
B. x2 = y2.
C. 4x - 1 + 2y.
D. 
.
E. 
.
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Two marbles are drawn from a bag in which there are 4 red marble and 2 blue marble. The number of blue marbles is counted.
A. 
B. 
C. 
D. 
Solve the problem.The table below shows the results of a consumer survey of annual incomes in 100 households. 
What is the probability that a household has an annual income between $15,000 and $44,999 inclusive?
A. 0.5 B. 0.77 C. 0.27 D. 0.52