Pls for 15 points easiest problem if correct will mark brain le est how many 4-digit numbers can you write if you cannot use any other digits except 1 and 2?

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in