Really needs with this.
i will mark the brainliest, really.

for question no. 3

solution : -

a(-3,-4) = (x1,y1)

b(-1,8) =(x2,y2)

slope =?

we have ,

: . slope (m) = y2-y1/x2-x

=8+4/-1+3

=12/2

= 6 (ans.)

step-by-step explanation:

the answer is n