Solve the problem.The formula R = log (a/T) + B is used to find the severity (magnitude) of an earthquake based on the amplitude, a, of the associated seismic wave. If one earthquake has a severity 
on the Richter scale and a second earthquake has a severity 
on the Richter scale, how many times more severe (to the nearest whole number) is the second earthquake than the first?
A. 215
B. 1,000,000,000
C. 3981
D. 3
Answer: C
Mathematics
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A. 0 + 7i B. 7 + 0i C. 7 + 7i D. 7 - 7i
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Answer the question.True or False.Some rational numbers are integers.
Answer the following statement true (T) or false (F)
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Write the slope-intercept form of the equation of the line satisfying the given conditions.Through 
; slope = - 
A. y = - 
x + 
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x + 
C. y = - 
x - 
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