Find the exact value of the expression.sin 215° cos 95° - cos 215° sin 95°
A. - 
B. - 
C. - 
D. 
Answer: D
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Solve the problem. Round to the nearest tenth when necessary.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Refer to the figure and determine the height, h, of the outside walls.A = 7 m
A. 29.8 m B. 5.5 m C. 119 m D. 10.9 m
Find the equation for the graph of the hyperbola. 
A. y2 - 
= 1
B. 
- y2 = 1
C. x2 - 
= 1
D. 
- x2 = 1
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 - 6x + 8 
A. vertex (3, -1)
intercepts (4, 0), (2, 0), (0, 8)
B. vertex (-3, 1)
intercepts (-4, 0), (- 2, 0), (0, -8)
C. vertex (3, 1)
intercepts (4, 0), (2, 0), (0, -8)
D. vertex (-3, -1)
intercepts (-4, 0), (- 2, 0), (0, 8)
Perform the indicated operation, whenever possible.Let A = 
and B = 
. Find A - B.
A. 
B. 
C. 
D. 