What is the common denominator of 1/a + 1/b in the complex fraction (1/a - 1/b) / (1/a + 1/b) ?

A) a2 b2

B) a - b

C) a + b

D) ab

You sold two different types of wrapping paper

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Which function below represents the arithmetic sequence 3, 7, 11, 15 ... ?. f (n) = 4 + 3 (n - 1). f (n) = 4 + 3n. f (n) = 3 + 4n. f (n) = 3 + 4 (n - 1)

An equivalent expression by combining like terms for 9c-6+c

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Determine whether each relation is a function. Explain. y=1/2x-6

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Where did Jack Frost catch a cold?