HELP ASAP 40 POINTS BRAINLIEST

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)

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

Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?