Ok so i really need help idek what’s going on fr

Wrote and expression for the difference of p and 4

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

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points