Answer:
-21
Step-by-step explanation:
If the equation of the line is

then
is the slope of the line and
is the y-intercept of the line.
In your case, the equation of the line is 
So, the slope of this line is
and the y-intercept is 
Answer:
4 / 3
Step-by-step explanation:
tan x = opposite / adjacent
tan x = AB / AC
tan x = 4 / 3
{ x = theta ]
20 and 24 are the answers