One number is 0.3 less and .75 of the other number. find the two numbers

What aspects of lines have to be diffrent

Ahomeowner plans to hang wallpaper on one wall of a bedroom that is 10 feet long if a stripe of wallpaper is 20 inches wide and stripes or hung vertically how many stripes on wall paper with the homeowner required

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?