Find the equation of the least-squares line for the given data. Draw a scatter diagram for the given data and graph the least-squares line.
Mathematics
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Represent each of the following situations with a signed number.The temperature recorded at the airport was 49° below zero.
A. -49 B. +49
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Graph.f(x) = 
- 2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Assume that a person's threshold weight W, defined as the weight above which the risk of death rises dramatically, is given by W(h) = 
3, where W is in pounds and h is the person's height in inches. Find the threshold weight for a person who is 6 ft 2 in. tall. Round your answer to the nearest pound.
A. 128.1 lb B. 221.5 lb C. 217.8 lb D. 245.3 lb
Mathematics