?Solve the system of linear equations using any method, find (x,y).
?
?
?
A. ?
B. ?
C. ?
D. No solution
E. ?
Answer: A
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Find the domain of the function.f(x) = 
A. (-?, -8) ? (-8, ?) B. (-?, 8) ? (8, ?) C. (-?, 0) D. (0, ?)
Write the partial fraction decomposition of the rational expression.
What will be an ideal response?
Simplify the polynomial by combining like terms.-9x2 + 7xy - 3y2 + 17xy
A. 12x2y2 B. cannot be simplified C. -9x2 + 24xy - 3y2 D. -9x2 - 10xy - 3y2
The management of a manufacturing company submitted the accompanying data in its annual stockholders report. The table shows the net sales (in millions of dollars) during the 5 years that have elapsed since the new management team took over:
(The first year the firm operated under the new management corresponds to the time period x = 1, and the four subsequent
years correspond to x = 2, 3, 4, and 5.)
Use the least-squares line to predict the net sales for the upcoming year.
a. $479.6 million
b. $483.0 million
c. $477.9 million
d. $484.7 million
e. $481.3 million