8) g/-5 < -18
Multiply both sides by 5,
-g < -18 * 5
-g < -90
Multiply by -1, and change the sign,
g > -90
In short, Your Answer would be Option B
9) Let, the number = n
It would be: n - 6 ≥ 2
n ≥ 8 [ By adding 6 to both sides ]
In short, Your Answer would be Option B
Hope this helps!