Evaluate the expression.
-3
A. 
B. 
C. - 
D. - 
Answer: B
Mathematics
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Solve the problem.If an earthquake has an intensity of I, then its magnitude, as computed by the Richter Scale, is given by 
where I0 is the intensity of a small, measurable earthquake. (Consider 
for this question.) If one earthquake has a magnitude 
on the Richter scale and a second earthquake has a magnitude 
on the Richter scale,
how many times more intense (to the nearest whole number) is the second earthquake than the first? A. 681 B. 316,228 C. 316,227,766,017 D. 2
Mathematics
Evaluate the expression.
A. 336 B. 6720 C. 20,160 D. 56
Mathematics
Factor completely. If unfactorable, indicate that the polynomial is prime.x2 + 40x + 400
A. (x + 20)2 B. prime C. (x - 20)2 D. (x + 20)(x - 20)
Mathematics
Graph the hyperbola.xy = -10
A. 
B. 
C. 
D. 
Mathematics