Choose the appropriate sketch and description for the indicated geometric object.Scalene ?ABC

A.  are the same length

B.  have different lengths

C.  have different lengths; ?B = 90°

D.  are the same length


Answer: B

Mathematics

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A.
B.
C.
D.
E.

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Simplify the expression by combining like terms.-3wz + 23wz

A. 26wz
B. 20w2z2
C. wz
D. 20wz

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A. 121 - - z2
B. 121 + - z2 
C. 121 - z2
D. 121 - z2

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Find the equation of the hyperbola satisfying the given conditions.Center: (0, 0); focus: (3, 0); vertex: (-3, 0)

A.  -  = 1
B.  -  = 1
C.   -  = 1
D.  -  = 1

Mathematics