<h2>
Answer:</h2>
First, we must determine <u><em>b</em></u> using <u><em>slope-intercept form*</em></u>, the given point, and the given slope.

Second, we need to set up the equation of the line in slope-intercept form.

Third, we convert the above equation to <em>STANDARD FORM**</em>.

We now have our equation: 
*Slope-intercept form: <em>y = mx + b</em>
**Standard form: <em>ax + by = c</em>
Answer:
The expression would look like this: 
Answer: 10
Step-by-step explanation:
By the alternate interior angles theorem,

The length of rays has no effect upon the angle between them. You can extend rays infinitely and the angle between them remains constant.