The formula for the perimeter of a rectangle is P equals 2L plus 2W, where l is the length and W is the width. a rectangle has a perimeter of 24 inches. find its dimensions if it's a length is 3 inches greater than its width.

is basically a good source of getting and others by what you know for example if someone asked a question and you know the answer you could answer it and get some points or if you need on a question you could make a post about it and wait till someone answers it or just look up the question and see if someone else has asked about it

3and 4 and 5 are correct