please help

The lines shown below are parallel. If the green line has a slope of 3, what is
the slope of the red line?

A. -3
B. 3
C. 1/3
D. -1/3

please help The lines shown below are parallel If the green line has a slope of 3 what is the slope of the red line A 3 B 3 C 13 D 13 class=