Answer:

Step-by-step explanation:
For perpendicular lines, we use the same y-intercept. Though, to find the slope of perpendicular lines, we use opposite reciprocals. The opposite reciprocal of
is
.
Answer:
o-
Step-by-step explanation:
Answer:
A. -8
B. -8
C. 20
Step-by-step explanation:
Answer:
8x+30°=110°
8x=80°
x=10°
Step-by-step explanation:
because the angles are vertical => they are equal