Rate it lol! This is an old pic btw like when i was 13 but just rate it anyways!

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?