Question

I need help with these two questions and for number 15 it's just two of them not three.​

Answer 1

This looks simple...for 14 the perimeter is x+3+x+3+2x-1+2x-1. Simplified is 6x+6-2. Which is 6x+4.

Thank me if it looks right!

For 15...2y+3+2y+3+x+3+x+3...Which is 4y+12+2x.