Express the sum in sigma notation.6 + 12 + 18 + 24 + 30
A. 
B. 
C. 
D. 
Answer: B
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Solve by isolating the absolute value and using the absolute value property.2 - 
= -7
A. 
B. 
C. 
D. 
Provide an appropriate response.In scientific notation, what is the smallest positive integer which can be multiplied by a power of 10?
Fill in the blank(s) with the appropriate word(s).
Plot the point in the xy-plane. Tell in which quadrant or on what axis the point lies.(3, -1) 
A. 
Quadrant II
B. 
Quadrant I
C. 
Quadrant III
D. 
Quadrant IV
Interpret the linear equation.The monthly cost of a certain long distance service is given by the linear function 
where y is in dollars and x is the amount of time in minutes called in a month. Find and interpret the slope and y-intercept of the linear equation.
A. m = 0.08; The number of minutes called in a month increases 0.08 for every dollar spent. b = 7.95; The number of minutes that can be called when x = 0 is 7.95. B. m = 7.95; The number of minutes called in a month increases 7.95 for every dollar spent. b = 0.08; The number of minutes that can be called when x = 0 is 0.08. C. m = 7.95; The cost of the long distance service increases $7.95 for every 1 minute called. b = 0.08; The cost of the long distance service is $0.08 if no calls are made for the month. D. m = 0.08; The cost of the long distance service increases $0.08 for every 1 minute called. b = 7.95; The cost of the long distance service is $7.95 if no calls are made for the month.