Please help it's due right now

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

Which letters from the table represent like terms? a and b b and c a and d b and d