is it possbile for (n) to equal 400? if so determine the value of n that makes t(n)=1400. if not justify why not

What is the y-intercept of the line given by the equation

Traffic on saturday, it took ms. torres 24 minutes to drive 20 miles from her home to her office. during friday's rush hour, it took 75 minutes to drive the same distance. a. what was ms. torres's average speed in miles per hour on saturday? b. what was her average speed in miles per hour on friday?

Graph a point. start at your origin, move left 10 units, and then move up three units which ordered pair is the point you graphed