How to calculate volume with density and mass?

Which excerpt from tinker v. des moines shows how precedent support an argument? a. "as we shall discuss, the wearing of armbands in the circumstances of this case was entirely divorced from actually or potentially disruptive conduct by those participating in it. it was closely akin to 'pure speech' which, we have repeatedly held, is entitled to comprehensive protection under the first amendment. cf. cox v. louisiana, 379 u.s. 536, 555 (1965); adderley v. florida, 385 u.s. 39 (1966)." b. "while the absence of obscene remarks or boisterous and loud disorder perhaps justifies the court's statement that the few armband students did not actually 'disrupt' the classwork, i think the record overwhelmingly shows that the armbands did exactly what the elected school officials and principals foresaw they would." c. "i, for one, am not fully persuaded that school pupils are wise enough, even with this court's expert from washington, to run the 23,390 public school systems [n4] in our 50 states." d. "under our constitution, free speech is not a right that is given only to be so circumscribed that it exists in principle, but not in fact. freedom of expression would not truly exist if the right could be exercised only in an area that a benevolent government has provided as a safe haven for crackpots."

Which type of novel is characterized by complex characters, often with mixed motives, rooted in a highly developed social structure? a. gothic b. realistic c. psychological d. historical

My pretty rose tree by william blake a flower was offered to me, such a flower as may never bore; but i said, ‘i’ve a pretty rose tree,’ and i passed the sweet flower o’er. then i went to my pretty rose tree, to tend her by day and by night; but my rose turned away with jealousy, and her thorns were my only delight. what is the rhyme scheme of the two stanzas in this poem? a. abba, cdda b. abab, acac c. abab, cddc d. abaa, cddc