Answer:
13
Step-by-step explanation:
See attachment
When the slope isn't defined, it's not possible to write the line in slope-intercept form. No slope means a vertical line, which here must be
The ordered pair (-1,6) obviously satisfies the above equation so is on the vertical line .
If the line has a slope of -9, the slope of any parallel line will also be -9.
Parallel lines always have the same slope.
Lol yeah frrrrr im tryna get help with my Spanish