Answer: B
Step-by-step explanation:

Substituting into y=3x+b,

Answer:
Taht problem equals -77 so I would say d, good luck!
I think it’s B. But if it’s not chose D
Answer:
8 people
Step-by-step explanation:
234 divided by 18 is 13.
104 divided by 13 is 8.
Answer:
50
Step-by-step explanation:
68+62=130 then subract 180-130 and have 50 so x=50