I think it’s the last one
Answer:
-1/5
Step-by-step explanation:
Perpendicular lines have slopes that are the opposite reciprocal of one another.
The slope of line t is the opposite reciprocal of the slope of line s:
slope of t = -1/(slope of s)
slope of t = -1/5
Answer: B
Step-by-step explanation:because my teacher said she having trouble
X+x+54=180
2x+54=180
2x=126
x=63
63+54=117
one angle is 63, the other is 117