Yes I think it is correct
Answer:
Step-by-step explanation:

4/3
Remember if two lines are perpendicular, the product of their slopes are -1
Answer:
d = 1/2
Step-by-step explanation:
5/6 = 1/3 + d
~Find common denominators
5/6 = 2/6 + d
~Subtract 2/6 to both sides
3/6 = d
~Simplify
1/2 = d
Best of Luck!