Graph the linear equation.-x = -3y + 7
A. 
B. 
C. 
D. 
Answer: A
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Add and simplify.
+ 
+ 
A. 
B. 
C. 
D. 
Graph the system of inequalities. Shade the region that represents the points of intersection.
A. 
B. 
C. 
D. 
The rectangular coordinates of a point are given. Find polar coordinates of the point. Express ? in radians.(5
, 5)
A. 
B. 
C. 
D. 
The following is a sample of the percentage increases in the price of a house in eight regions of the U.S.
?
75, 125, 150, 150, 150, 215, 215, 300
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Compute the mean of the given sample. Round answer to the nearest whole number.
?
__________
?
Compute the standard deviation of the given sample. Use the rounded value for the mean in your calculations. Round answer to the nearest whole number.
?
__________
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Assuming the distribution of percentage housing price increases for all regions is symmetric and bell-shaped, 68 percent of all regions in the U.S. reported housing increases between __________ and __________. Please, use the rounded value for the standard deviation here.
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Find the percentage of scores in the sample that fall in this range. Please round your answer to the nearest whole number.
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__________%
What will be an ideal response?