If the perimeter of a square is 64mm then how long is each side?

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

Can someone me with these two circle theorem questions asap?

Factor the polynomial. b^2 + 4b + 4