Solve the problem.If one earthquake is 398,107 times as intense as another, what is the difference in the Richter scale readings of the two earthquakes?
A. 4.6
B. 5.6
C. 0.56
D. 12.9
Answer: B
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Solve.Avegail needs to determine the distance at certain points across a lake. Her crew and she are able to measure the distances shown on the diagram below. Find how wide the lake is to the nearest tenth of a meter.
A. 8.4 m B. 115.3 m C. 143.2 m D. 70 m
Solve the problem.Which of the following functions could have this graph? 
A. y = 
B. y = 
C. y = 
D. y = 
Use the choices below to fill in the blank. Choices may be used more than once or not at all.
Permutations can also be counted using 
.
A. the Fundamental Counting Principle
B. probability
C. 
D. 
If necessary, write the equation in the standard form ax2 + bx + c = 0. Then identify the values of a, b, and c. Do not actually solve the equation.8x2 = 7x
A. a = 8, b = 0, c = 7 B. a = 8, b = -7 C. a = 8, b = -7, c = 0 D. a = 3, b = 7, c = 0