sorry wait please delete my answer I realized my mistake!
Answer:
The answer is H 3
Step-by-step explanation:
horizontal.
it goes straight up
I will do (a) only.
6rt - 3st + 6ru - 3su
6rt - 3st = 3t(2r - s)
6ru - 3su = 3u(2r - s)
Answer: (3t + 3u)(2r - s)
Do the rest likewise.
