Answer:
(blue)
slope -( 3)
y-intercept -( -1)
equation - y=3x-1
(yellow)
slope -( 3)
y-intercept -( 0)
equation - y=3x
Step-by-step explanation:
I...your welcome
Answer: 
Step-by-step explanation:
Given


is given by replacing the
by
from the 

Now,
is

Answer:
24.5
Step-by-step explanation:
Since 180 is double 90 divide 45 by 2 and you'll get 24.5
I might be wrong but I think it is 50 .