What does a double solid white line mean?

Before a case can be heard in a state high court, it must

Which of the following is a polynomial with roots 3,5i, and -5if(x)=x^3-3x^2+25x-75f(x)=x^3-3x^2+15x-25f(x)=x^3-15x^2+25x-75f(x)=x^3-3x^2+15x-75

Question #22 when you approach an intersection with a green traffic light, you should choose an a. approach at a speed that will allow you to stop if the light changes. b. be ready to speed up if the light turns yellow. c. always slow down by a few miles per hour, in case you need to stop.