Choose the best system of equations to represent the situation and determine the labels for the variables:

A tree that is 2 feet tall is growing at a rate of 1 foot per year. A 6-foot tall tree is
growing at a rate of .5 feet per year.

Answer choices

A) 2x + y = 3
6x + .5y =6.5

B) y = 2 + 1x
y = 6 + .5x

What do they represent?

X=
Y=