Can someone help me with these ones :(? (with full process) 1.) (3,2) and (4,j),m=1

2). (5,0) and (1,k),m=1/2

3).(x, 2) and (3, -4), m = 2

4). (12, -4) y (r, 2), m = -1/2

The answers for:

Step-by-step explanation:

In order to find the value of expression, you have to apply gradient formula :

So for Question 1,

Question 2,

Question 3,

Question 4,

simple 80 pieces in 1 sercing so 80*47=3760+20=3780