Solve.An earthquake was recorded with an intensity which was 
times more powerful than a reference level earthquake, or 
What is the magnitude of this earthquake on the Richter scale (rounded to the nearest tenth)? The magnitude on the Richter scale of an earthquake of intensity I is 
A. 0.7
B. 6.0
C. 16.1
D. 7.0
Answer: D
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Find the acute angle A. Round to the nearest minute.tan A = 2.17
A. 65°15' B. 67°05' C. 63°26' D. 64°45'
Simplify the rational expression.
A. 
B. 
C. 
D. 
Solve the problem.At one point the exchange equation for converting American dollars into Japanese yen was Y = 129(d - 4) where d is the number of American dollars, Y is the number of yen, and $4 is a one-time bank fee charged for currency conversions. Use this equation to solve the following problem.Ariel is traveling to Japan for 3 weeks and has been advised to have between 19,000 and 30,000 yen for spending money for each week he is there. Write an inequality that represents the number of American dollars he will need to bring to the bank to exchange money for this 3-week period.
A. $441.89 ? d ? $697.71 B. $445.86 ? d ? $701.67 C. $441.95 ? d ? $697.77 D. $453.86 ? d ? $709.67
Determine whether the graph is the graph of a function.
A. No B. Yes