First answer is the fourth one, 2 and 6
Answer:

Step-by-step explanation:
The picture of the question in the attached figure
we know that
In the right triangle of the figure
----> by SOH (opposite side divided by the hypotenuse)
using a calculator

Answer:
Step-by-step explanation:
x= -1 or x=3
Answer:
y=x
Step-by-step explanation:
When y=x, then the line goes up 1 and right 1.