Is average speed lesser than average velocity?

Which statement from "letter to his father" is similar to gregor's inability tocommunicate with his father as a bug in the metamorphosis?

Laugh and be merry, remember, better the world with a song,    better the world with a blow in the teeth of a wrong.    laugh, for the time is brief, a thread the length of a span.    laugh and be proud to belong to the old proud pageant of man. (laugh and be merry/john masefield/public domain) which of these is the main idea of the poem?

Which type of presentation aid is depicted in the image above? a. object/topic itself b. illustration c. chart d. technology