Step-by-step explanation:

<em>hop</em><em>e</em><em> </em><em>t</em><em>h</em><em>i</em><em>s</em><em> </em><em>helps</em><em> </em><em>you</em><em>.</em>
Answer:
20.9
Step-by-step explanation:
The perimeter is just all the lines around the outside of the shape so basically take all the numbers and add them together to get the answer
S = (5g -4y)/9
hope this helps