Answer:

Step-by-step explanation:
1: find the perpendicular gradient - this is the negative reciprocal of the original gradient:

2: Substitute in the coordinate to find the value of c:

3: Put it all together:

Answer:
1/2
D
Step-by-step explanation:
slope =
=
= 
=
Same ratio. Both reduce to 
Answer:
the correct answer is 38.0%
Step-by-step explanation:
Trust me