x is an unknown quantity whose value is determined based on any algebraic equation it is used in. Solving an equation provides its numerical value. Although an unknown quantity can be represented by any alphabet of the English language, for convenience x is taken universally, when an equation works with one unknown value. For more than one, other alphabets are usually used as unknown representative values.
look kid, I can't explain unless I'm actually there with you bc ion feel like typing; however, the answers are 6, 4, and 1.
If you ABSOLUTELY NEED explaining then I'll do it. Just LM.K in the comments.
A.) Rights to free speech.
Rights for freedom of speech is the only one of these that is found in the US Bill of Rights, so therefore, that is your answer :)