Which statement explains how the lines 2x + y = 4 and y = 1/2 x + 4 are related?

A. They are parallel.
B. They are perpendicular.
C. They are the same line.
D. They are not related.

B

Step-by-step explanation:

First find solve for y in the first equation.

2x+y=4

-2x     -2x

y=4-2x

I then put it into a graphing calculator and found they are perpendicular.

-4

step-by-step explanation:

do 6-10=

if u need it to be negative.

a is the right answer