A and b are both accurate
For a:

which is true
For b:

which is also true
Answer:
3j + 6
Step-by-step explanation:
5j - (2j - 6) Distribute the negative inside the parentheses
5j - 2j + 6 Combine like terms
3j + 6
Answer:
The problem can't be factor
Step-by-step explanation:
Answer:
-2
Step-by-step explanation:
Answer: 140$
Step-by-step explanation: 15$ times 8 meals plus 20 dollar fee eaquals 140$