That one is self-explanatory if you follow a video on it it will help
Answer:

Step-by-step explanation:
we know that
The equation of the line in slope-intercept form is equal to

where
m is the slope of the line
b is the N-intercept
In this problem we have

Find the slope
Let


substitute the values

Answer:
45-20=25
Step-by-step explanation:
i think im sure. im sorry if i gave you the wrong answer
Answer:
y = -2+
and y = -2 -
combined, or 
Step-by-step explanation:

substitute y for x and x for y

this is technically the inverse but I will simplify further
x = 
±
= y+2
y = -2±
y = -2+
and y = -2 -
combined
Answer:
y= 40x+20
Step-by-step explanation: