David is building a doghouse I need bolt and washer is from the hardware store how much will David pay for 16 both are 4 inches long and a washer for each

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