Simplify - (-2 а + 13) + (-9 а - 2) - (-7 а - 3).

12

-12

14 а - 12

14 а - (-12)

How do I multiply 42 x 7.2

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If the number n satisfies the relationship n>0 what are inequalities that represent this 1/n

You write each of the 26 letters of the alphabet on separate index cards. If you choose 2 cards at random without replacing them, what is the probability that you will not draw an A? Round your answer to three decimal places.

Simplify this expression 5a/11a

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Given what is the domain in set notation? x ∈ R, x ≥ 4 x x ∈ R, x ≥ 2 x

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