What is the difference of the polynomials?
(8r6s3-9r5s4+3r4s5)-(2r4s5-5r3s6-4r 5s4)

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.

In the 30-60-90 triangle below side s has a length of and side r has a length

Ineed someone to me answer my question i have to have this done and knocked out