Limit x tends to 1 (x2 - x+2)/(x3 +x2 - 3

Which of the following expressions is equal to 2x^2+8

What is the slope of the equation y =

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning