Determine which of the following three propositions are equivalent.



a.  (a) and (b)

b.  (a) and (c)

c.  (b) and (c)

d.  all three are equivalent


a.  (a) and (b)

Mathematics

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A. 2
B. 7
C. - 
D.

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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1 

A.
B. - 
C. -14
D. -49

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Rewrite the given expression as a single logarithm. Assume that all variables are defined in such a way that variable expressions are positive and bases are positive numbers not equal to 1.logw (x2 - 25) - logw (x - 5)

A.
B. logw (x + 5)
C. logw (x2 - 25)(x - 5)
D. logw 

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Compute the determinant of the matrix by cofactor expansion.

A. -28 B. -100 C. 36 D. -36

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