Perform the conversion. Round to the nearest hundredth when necessary.22 km = ____ mi

A. 13.66
B. 23.32
C. 20.81
D. 35.42


Answer: A

Mathematics

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Find the equation of the graph. Write the equation in slope-intercept form. 

A. y = x + 9
B. y = 3x - 9
C. y = - x - 9
D. y = -3x + 2

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Find the location of the center, vertices, and foci for the hyperbola described by the equation.(y - 1)2 - 4(x - 3)2 = 4

A. Center: (3, 1); Vertices: (4, 0) and (4, 4); Foci: (4, 2 - ) and (4, 2 + )
B. Center: (-3, -1); Vertices: (-3, -3) and (-3, 1); Foci: (-3, -1 - ) and (-3, -1 + )
C. Center: (3, 1); Vertices: (-3, -2) and (3, 2); Foci: (3, - ) and (3, )
D. Center: (3, 1); Vertices: (3, -1) and (3, 3); Foci: (3, 1 - ) and (3, 1 + )

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Solve the equation.log (4 + x) - log (x - 4) = log 5

A.
B. {-6}
C. {6}
D. ?

Mathematics

Find the requested value.Using the given tables, find (f?f) (2) 

A. 2 B. 5 C. 9 D. 7

Mathematics