Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 6m - 7
D. 
Answer: A
Mathematics
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The heights of two trees are shown in the illustration below. Find the sum of their heights, if h = a, and H = a + 2.
?
?
A. a B. 2 C. 2a + 2 D. a + 2 E. 2a + 4
Mathematics
Solve the problem.Find the point on the parabola x = t2, y = t, -? < t < ?, closest to the point 
. (Hint: Minimize the square of the distance as a function of t.)
A. (0, 0)
B. (4, 2)
C. (1, 1)
D. 
Mathematics
Find the volume of the solid generated by revolving the region about the given line.The region in the second quadrant bounded above by the curve y = 9 - x2, below by the x-axis, and on the right by the y-axis, about the line x = 1
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve the rational inequality.
> 0
A. 
B. 
C. (-?, 0)
D. 
Mathematics