Answer:
i think 1st no. option but i am not sure
Okay so you are correct with the gradient of the perpendicular line it is -5/2 however the equation is not y= -5/2 -1 because it is a new Line and has a new y-intercept therefore its Y=-5/2 + C but you have corrected that when doing the formula and have got the right answer
1,700 good luck hope it helps you 100*17=1,700
By making lines with an X and Y axis then add the numbers you need
