Use the information in the table to solve the problem. Write your answer as a fraction in lowest terms.The table below shows the amounts of pollutants (in parts per million) in a sample of rainwater.
Find the ratio of pollutant E to pollutant A.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use scientific notation to solve the problem.A light-year is the distance that light travels in one year. Find the number of miles in a light-year if light travels 1.86 x 105 miles per second.
A. 6.0 x 107 miles B. 6.0 x 105 miles C. 6.0 x 1012 miles D. 6.0 x 1014 miles
Mathematics
Express the relationship 
in terms of F, where 
.
What will be an ideal response?
Mathematics
Write as a unit rate.20 cents for 5 marbles
A. 0.25 cents/marble B. 100 cents/marble C. 25 marbles D. 4 cents/marble
Mathematics
Solve the equation.
+ 
= 4
A. x = 
B. x = - 
C. x = 
D. x = 
Mathematics