Match the system of equations with one of the graphs.x2 - y2 = 4x - 2 = 6y
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the area of the shaded region.
A. 
B. 
C. 
D. 
Mathematics
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 A to pollutant B.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The Richter Scale measures the magnitude M of an earthquake. An earthquake whose seismographic reading measures x millimeters 100 kilometers from the epicenter has magnitude M given by M(x) = log 
. Give the magnitude of an earthquake that resulted in a seismographic reading of 98,174 millimeters 100 kilometers from its epicenter.
A. 7.0 B. 2.0 C. 8.0 D. 9.0
Mathematics
Subtract.5 - (-5)
A. 5 B. -10 C. 0 D. 10
Mathematics