Graph the hyperbola.(x + 2)2 - 4(y + 2)2 = 4
A. 
B. 
C. 
D. 
Answer: C
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In the figure below, a = 55. How many degrees from the horizontal position are the wings of the airplane?
?
?
A. 125 B. 55 C. 35 D. 80 E. 305
Find the surface area of the surface S.S is the paraboloid x2 + y2 - z = 0 below the plane z = 
.
A. 
?
B. 
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C. 
?
D. 
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Solve the problem.Penrose tiles are formed from a rhombus WXYZ with sides of length 1 and interior angles 72° and 108°. (Refer to the illustration.) A point O is chosen on the diagonal 1 unit from Y. Line segments OX and OZ are drawn to the other vertices. The two resulting tiles are called a kite (figure OXYZ) and a dart (figure OXWZ). Find the area of the kite tile and the dart tile, correct to the nearest 0.01. 
What will be an ideal response?
Write the fraction in simplest form.
A. 2p3m
B. 
C. 2p3r2m
D. 