Solve the problem. Write ratios in simplest form.The table below shows the amounts of pollutants (in parts per million) in a sample of rainwater. Find the ratio of pollutant A to pollutant B. 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Find the area between y = (x - 3)ex and the x-axis from x = 3 to x = 7.
A. e7 + e3 B. 3e7 C. e7 - e3 D. 3e7 + e3
Mathematics
Graph the rational function.y = 
A. 
B. 
C. 
D. 
Mathematics
For the pair of functions, find the indicated domain.f(x) = x2 - 16, g(x) = 2x + 3Find the domain of f ? g.
A. [4, ?) B. (-4, 4) C. [0, ?) D. (-?, ?)
Mathematics
Provide an appropriate response.Write the basic solution for the following simplex tableau:
A. x1 = 28, x2 = 0, x3 = 0, s1 = 30, s2 = 12, s3 = 0, P = - 50 B. x1 = 28, x2 = 10, x3 = 7, s1 = 30, s2 = 12, s3 = 0, P = 50 C. x1 = 28, x2 = 10, x3 = 0, s1 = 30, s2 = 12, s3 = 0, P = 50 D. x1 = 28, x2 = 0, x3 = 0, s1 = 30, s2 = 12, s3 = 0, P = 50
Mathematics