Can someone please help me with this .. it is passed due and I don't want to get a F

By comparing part 1 and 2 of polar opposites what does it mean by polar opposites

Which sentence uses all its nominative case pronouns correctly? a we live on the same street b them and rachel are good skaters. c the redskins fans in the family are fred and me d have joanne and him played tennis together before?

Form two real words by combining a prefix and/or suffix with the root listed below. if you need to, use your dictionary. then illustrate that the word has the meaning of that root by using one of those words in a sentence. example: dic, dict=to say 1. addiction 2. edict the judge's edict was the final say in that matter. mit, mis=send