Answer:
2(6e-3f+10g)
Answer (I think): 12e-6f+20g
Step-by-step explanation:
To find the perimeter, you would have to add all the expressions together, so you would get 2x+x+x+y+y+1+y+y
combine like terms and you will get 4x+4y+1
82-5(15)=18-75=7
