Answer:
<u><em>6</em></u>
Step-by-step explanation:
Hey there) The formula of your line is:

If point has y=-4, then:

Hope this helps) Have a nice day/night :)
First, make sure that all the variables are in one side. The first equation is gonna be x-y=3
Second, we are going to eliminate the y because it is much easier, but you can also eliminate the x
We have to add both equation because the y in the first equation is negative and in the second equation it’s positive.
We are left with 3x=9
Therefore, x=3
Last, substitute x= 3 in one of the equations
Y=6
P.O.I is (3,6)
Answer:

Step-by-step explanation:
We need to add the two terms.

Solving,
Combine the like terms and adding those terms

So, the answer is:

Answer:
83 m
Step-by-step explanation:
23.6 x 3.5 = 82.6 ≈ 83 m