Can any of y’all help me with this question?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?