I’m pretty sure it is C but I’m not sure if I’m right or not
A. I’m not sure what this is asking but I’d guess 8,9,10
B is 19,20,21
C is there is none
Answer:

Step-by-step explanation:
Start with the given

Divide the two on both sides to get

X= 4y+4/3yz this is they solution
B!!!!!!!!!! The answer is 200
EXPLANATION
Added sum is estimated to 200