Determine whether the relation is also a function.{(-1, 7), (1, -4), (6, -1), (8, 2), (12, 7)}
A. yes
B. no
Answer: A
Mathematics
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Find the equation of the least-squares regression line. Graph the line and data points on the same graph.
A. y = -150.7 + 6.8x
B. y = 150.7 - 6.8x
C. y = 140.4 - 6.2x
D. y = -140.4 + 6.2x
Mathematics
Expand the quotient by partial fractions.
A. - 
+ 
+ 
B. 
+ 
C. 
+ 
+ 
D. - 
+ 
+ 
Mathematics
Write the fraction or mixed number as a percent.
A. 66
%
B. 68
%
C. 68%
D. 66%
Mathematics
Find the value of n. Round to the nearest hundredth if necessary.
= 
A. 0.12 B. 92.4 C. 83.16 D. 739.2
Mathematics