Solve the problem. Express answers relative to an x'y'-system in which the given equation has no x'y'-term.x2 + 2xy + y2 - 8x + 8y = 0; Find the coordinates of the vertex.
A. 
B. (2, 0)
C. (0, 0)
D. (-2, 0)
Answer: C
Mathematics
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Solve the problem.Find the average distance from a point 
in the first quadrant of the disk 
to the origin.
A. 3
B. 
C. 6
D. 
Mathematics
Integrate the function f over the given region.f(x, y) = xy over the rectangle 2 ? x ? 5, 4 ? y ? 6
A. 210 B. 70 C. 105 D. 140
Mathematics
Fill in the missing form of the expression.
?
Radical Form Rational Exponent Form
------ 
?
A. 
?
B. 83
C.
?
D.
?
E.
Mathematics
The line graph below shows the price of a stock over the course of the day. Use the graph to answer the question(s).
At what time was the stock price highest?
A. 12 PM B. 1 PM C. 9 AM D. 2 PM
Mathematics