We can't answer the question, you haven't given us the information, we need to know what the x is here, or if they gave you a value.
Answer:

Step-by-step explanation:
Given
Intersecting lines
Required
Find x
To do this, we make use of:
--- angle on a straight line
Collect like terms


Divide both sides by 3

Answer:
No, 8:2 = 4:1 which is less than 5:1
Step-by-step explanation:
The value of h is two feet.
Cot x = cos x / sin x = 0.85 / 0.52 = 1.6346