Answer:
PERIMETER=Y+2Y+11+-3Y-9+Y^2+5Y-1+6Y^2
=7Y^2+4Y+1
A
Step-by-step explanation: democracy is the best form of ruling the masses
4
Step-by-step explanation:
x =
5(x-2)^2= 15 ←add 29 on both sides
(x-2)^2= 3 ← divide by 5 on both sides
x-2= ← find the sq root of both sides
x= ← add 2 on both sides