Find all of the zeros of the polynomial functions

1. f(x)= x^4+5x^2-36
2. f(x)= x^4-12x^2+27
3. f(x)= x^3-3x^2x
4. f(x)= x^3-3x^2-5x+15
5. f(x)= x^3-4x^2-3x+12
6. f(x)= x^4+2x^3+x^2+8x-12
7. f(x)= x^3-2x^2-2x+1
8. f(x)= 12x^3-32x^2-145x+25

Matilda and kathryn went on different road trips over spring break.the equation below represents the number of miles matilda drove in x hours.y = 60xthe table below shows the number of miles kathryn drove in x hours.time(in hours)distance(in miles)114228342456who drove at a greater speed? a. matilda drove at a greater speed.b. matilda and kathryn drove at the same speed.c. kathryn drove at a greater speed.d.there is not enough information to determine their speeds

Plz need answer now will mark which situations represent linear functions? check all that apply. a)the temperature rises and falls over the course of a day. temperature is a function of time. b)a baseball is hit into the outfield. the height of the ball is a function of time. c)a car goes 55 mph on the highway. distance is a function of time. d)a child grew 2 inches this year and 1 inch last year. height is a function of time. e)a movie director makes 2 movies per year. the number of movies is a function of the years.

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?