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.
?
x1234y4689?
?
A. ?
B. ?
C. ?
D. ?
Answer: A
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Use the vectors u, v, w, and z head to tail as needed to sketch the indicated vector. 
v - w 
A. 
B. 
C. 
D. 
Find the exact value using a double-angle identity.sin(300°)
A. - 
B. 
C. 0
D. - 
Use your graphing calculator to graph the given function. Then provide an appropriate response.Graph f(x) = log5 x. Determine x when f(x) = 2.75. Round to the nearest tenth if necessary.
A. 27.1 B. 83.6 C. 77.1 D. 55.9
Each of six decorators has to paint a room (walls only) and put a wallpaper border around the room at the ceiling. One gallon of paint covers 400 sq ft, and one roll of border contains five yards. Each decorator has one gallon of paint and three rolls of border.The list gives the name of each decorator and the size of the room. 
Give the names of the decorators who will have neither enough paint nor enough border. (Assume a ceiling height of 8' for each room.)
A. {Mary, Sam} B. {Yong Sun, Ajay} C. {Juanita, Pedro} D. None