KHaire4770
05.02.2021 •
Mathematics
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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Ответ:
b and c
Step-by-step explanation:
Ответ:
I think the area is 72 sorry if it is wrong I tried
Step-by-step explanation: