Find the equation of the least squares line.Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take both tests and the results are shown below. 
A. y = -0.930 + 19.4x
B. y = 0.930 - 19.4x
C. y = 19.4 + 0.930x
D. y = -19.4 - 0.930x
Answer: C
Mathematics
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Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = -x2
A. 
B. 
C. 
D. 
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Provide an appropriate response.Given the transition matrix: 
A B C DP = 
P4 = 
Find the probability of going from state C to state B in four trials.
A. 0.0396 B. 0.0144 C. 0 D. 0.756
Mathematics
Find the distance between the following points:
?
, 
?
A. 3 B. 5 C. 4 D. 2 E. 1
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Find the limit algebraically.
A. 1
B. 
C. Does not exist
D. 0
Mathematics