Two cars that are 150 miles apart start driving toward each other on parallel roads. the average speed of the first car is 60 miles per hour. the average speed of the second car is 55 miles per hour. which equation can be used to determine t, the time it takes for the two cars to pass each other?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.