X=y and x=0. Make me brainliest please!
Answer:

Step-by-step explanation:
According to the Parallelogram definition, every Parallelogram have a pair of congruent sides. In this case, Namely
and 
(not listed as an option)
And the opposite angles are congruent too.
So

Let nails 7/pound=N1
nails 3/pound=N2
let N1=x
N2=6
then total=x+6
7x+6*3=(x+6)*4
7x+18=4x+24
3x=6
x=2
so 2 pounds on Nails costing 7/pound must be added
Answer:
2/6 or simpler 1/3
Step-by-step explanation: