What interval includes all possible values of x, where –3(6 – 2x) ≥ 4x + 12?
(–∞, –3]

[–3, ∞)

(–∞, 15]

[15, ∞)

Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.