Answer:
Try 32.5 hope this helps
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given the expression:

Using the distributive property: 

Simplify:

Simplify:

Therefore, the simplified given expression is, 
Perimeter = 2(10+20) = 60feet
60ft fencing material is needed
Y=9-2x, 9-2x=0, 2x=9, x=9/2, if you were asked to put it in standard form put down the first thing I said, if you were asked for solution then everything I said