A parcel of land is circular, as shown, with a road running along the straight side. According to the surveyor, the distance from A to B is 8 miles and from P to Q is 16 miles, where PQ ? AB and Q is the midpoint of AB. What is the radius of the circle? How many square miles are in this parcel of land?
r = 8.5 miles; area = 221.58 sq mi
Mathematics
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Find any slant asymptotes of the graph of f.f(x) = 
A. y = x + 9 B. None C. y = x - 15 D. x = y + 6
Mathematics
The graph of a function f is given. Use the graph to answer the question.What is the domain of f?
A. {x|-5 ? x ? 5} B. {x|-4 ? x ? 5.5} C. {x|x ? 0} D. all real numbers
Mathematics
Factor completely. If prime, so state.x2 + t2
A. 
B. prime
C. (x + t)(x + t)
D. (x - t)(x + t)
Mathematics
Find the foci and vertices of the ellipse.
+ 
= 1
A. foci at (0, - 
) and (0, 
)
vertices at (0, -5), (0, 5)
B. foci at (-5, 0) and (5, 0)
vertices at (-25, 0), (25, 0)
C. foci at (0, -2) and (0, 2)
vertices at (0, -4), (0, 4)
D. foci at (- 
, 0) and (
, 0)
vertices at (-5, 0), (5, 0)
Mathematics