Mathematics, 05.02.2021 18:40 johniyabrown26

Which of the following are true statements about a variable? Select all that apply. * 3 points A.) The number in front of a letter in an expression. B.) A symbol used to represent an unknown value. C.) Can be changed from one value to another. D.) Always has to be the letter x.

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Which of the following are true statements about a variable? Select all that apply. * 3 points A.) T...