Solve for the variable in the following equation.

e^2-2e-99=0

e = - 11, e = - 9

e = - 11, e = 9

e = 11, e = - 9

e = 11, e = 9

A set of 20 cards consists of 12 red cards and 8 black cards. The cards are shuffled thoroughly and you choose one at random, observe its color, and replace it in the set.

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What is 5x + 7 = 11

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Alfred is practicing typing. The first time he tested himself, he could type 30 words per minute. After practicing for a week, he could type 33 words per minute. After two weeks he could type 36 words per minute.

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