An earthquake has a period of 
second and has an amplitude of 
. Find its measure on the Richter scale. Round your answer to one decimal place, if necessary.
?
A. 4.5
B. 4
C. 3.7
D. 8.4
E. 9.1
Answer: B
Mathematics
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Let x be a number. Translate the English phrase into a mathematical expression.The sum of a number and -37
A. -37x B. x + 37 C. x + (-37) D. -37
Mathematics
Construct the requested statistical display.The data below give the figures for the United States production of canned fruit from 2002 to 2009. Make a line graph for the data. 
Year
What will be an ideal response?
Mathematics
Solve the problem.Jill is 
away from Joe. Both begin to walk toward each other at the same time. Jill walks at 
per hour. If they meet in 2 hours, how fast is Joe walking?
A. 4.5 km per hour B. 3.5 km per hour C. 2 km per hour D. 2.5 km per hour
Mathematics
Represent the quantity with an integer.The team gave up 16 points.
A. +16 B. -16
Mathematics