Answer:
(-2, 11/2)
Step-by-step explanation:
use the mid-point formula!
((x1+x2)/2, (y1+y2)/2)
((-1+-3)/2, (-1+12)/2)
5 AND 6 ARE CORRECT OPTIONS
x= -2
2= -3(x)-4
6= -3x
-2= x
1030
30+1000=1030