Answer:
√(81/9)
(It is equal to 3)
Step-by-step explanation:
(x+y)(x-y)
x^2 - xy + xy - y^2
x^2 - y^2
Last option?
ax+by=c
4x+6y=60
a=4
b=6
c=60
256
1. Divide both sides by -5/8
-5/8x/-5/8 -160 divided by -5/8
When you do that you get 256
