Select the true sentences. parentheses enclose added material. parentheses enclose numerical figures that confirm written numbers. parentheses are always used for numbers in lists of words or ideas. parentheses enclose explanatory material. parentheses are used to set off main ideas. a parenthetic expression is a group of words, an idea, that is not closely related to the rest of the sentence.

Parentheses enclose added material.

Parentheses enclose numerical figures that confirm written numbers.

Parentheses enclose explanatory material.

A parenthetic expression is a group of words, an idea, that is not closely related to the rest of the sentence.

Explanation:

Parentheses come always in pairs and they are a literary device used by the author to give additional information about a certain topic written in the sentence. It could be a word, a phrase or even a number, but the main characteristic of parentheses is that the information must not be related grammatically with the rest of the sentence.

I hope this answer helps you.

- "the answers are a and b.  

when cullen speaks of planting while others reap, and standing "abject and mute," he is speaking about the racial injustices present in american society. as these injustices have changed over time, the american identity  has also shifted. those changes are, in turn, reflected in american literature."

i think it was california.