Answer:
169/12 square units.
Step-by-step explanation:
8-21
9- -16 i think lemme do the next ones
He multiplied rather than dividing.

Hope this helps!
Answer:
Its C im pretty sure. Also loveee your pfp!
Answer: m=
1
3
√2 or m=
−1
3
√2
Step-by-step explanation: