Identify whether the equation is a linear equation in two variables. Answer "is" or "is not."7y = -x - 4
A. is
B. is not
Answer: A
Mathematics
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Solve the problem.Set up the triple integral for the volume of the sphere 
in spherical coordinates.
A. 
B. 
C. 
D. 
Mathematics
Use this graph to answer the question.
MonthWhich month in 2009 had the highest sales?
A. Month 2 B. Month 12 C. Month 9 D. Month 5
Mathematics
Sketch the graphs of the given functions on the same axes.
?
and 
?
A. ?
B. ?
C. ?
Mathematics
Solve the equation over the interval [0, 2?).tan 2x - tan x = 0
A. {0}
B. 
C. 
D. {0, ?}
Mathematics