Mark made a business trip of 250250 miles. he averaged 50mph50⁢mph for the first part of the trip and 60mph60⁢mph for the second part. if the trip took 4.54.5 hours, how long did he travel at each rate?

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.

What is the solution to the equation e3x=12? round your answer to the nearest hundredth

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b