What is the sum of the polynomials? (-x2 + 9) + (-3x2 – 11x + 4) o-4x2 – 2x + 4 o -4x2 - 11x + 13 2x2 + 20x + 4 2x2 + 11x + 5

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

To make a monster appear large in a movie, a human actor wore a costume and walked through a scale model of a city. the scale used was 1 inch = 15 feet. the actor is 60 inches tall. how tall does the monster appear in the movie? question 5 options: 720 feet 75 feet 4 feet 900 feet

If g(x) is an odd function, which function must be an even function?