It costs 3.75 for 5lbs of food for ur puppy

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Can someone me with my math problem pls my teacher is on my back about this