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 C.
A. 
B. 
C. 
D. 
Answer: B
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The temperature rose 18° in 1 hour and then dropped 11° in the next hour. Find the overall change in temperature. ?
A. +9° B. +18° C. 0° D. +7° E. -7°
Find an antiderivative of the given function.9 csc 7x cot 7x
A. - 
csc 7x
B. - 
cot 7x
C. 
csc 7x
D. -9 csc 7x
Use least common multiple or greatest common divisor to solve the problem.Planets A, B, and C orbit a certain star once every 2, 5, and 12 months, respectively. If the three planets are now in the same straight line, what is the smallest number of months that must pass before they line up again?
A. 19 months B. 60 months C. 24 months D. 120 months
Provide the requested response.For the viewing rectangle [1970, 2050, 10] by [13,000, 28,000, 1000] , state the number of tick marks on the positive x-axis.
A. 9 B. 6 C. 11 D. 16