Solve the problem.An earthquake was recorded as 105.7 times more powerful than a reference level zero earthquake. What was the magnitude of this earthquake on the Richter scale? 
A. 4.3
B. 15.7
C. 5.7
D. 13.1
Answer: C
Mathematics
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Solve the inequality 
. Restrict your attention to positive values of 
. Round your answer to two decimal places.
?
A. 
B. ?
and 
C. ?
and
D. ?
Mathematics
Find a formula for the function graphed.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Mathematics
Solve the problem.Find the area of the triangle formed by the line tangent to the parabola y = 4 - x2 at 
and the coordinate axes.
A. 
B. 
C. 
D. 
Mathematics
Solve.The cost in dollars of manufacturing x lawn mowers is given by 
a. Complete the following table and graph the results.
b. Find the number of lawn mowers that can be manufactured for $20,400
What will be an ideal response?
Mathematics