(01.02) choose the best definition for the following term: substitution a letter that holds the place for some unknown value in mathematics a process where you must look for terms that have identical variable parts and then combine their coefficients a process where if two things are equal, one can be put in the place of the other and nothing will change terms that have identical variable parts

My best friend is a white girl named denise — we look at boys together. she sat in front of me all through grade school because of our names: o'connor, ozawa. i know the back of denise's head very well. why does the speaker share details about race, friendship, and names in this stanza? check all the correct answers. to indicate that the students were already segregated and isolated to emphasize the idea that all americans were treated as equals prior to the attack to reveal the extent of the impact resulting from the attack on pearl harbor to identify the compassionate response following the attack on pearl harbor