I'd personally go with A and C, The rest don't make too much sense. Don't count on my answer just yet though.
Answer
step-by-step explanation:
× 
= 
Simplify
÷
=
Answer: 30 I think
Step-by-step explanation:
Answer:
16
Step-by-step explanation:
you replace the letter with the number given to replace them. So, in the equation you replace the letter C with -1, as it tell you on the side. You do the same with F, but with 3. your equation should look like: 7(-1 + 5) - 3 × 4. you then solve from there and should get 16. I hope this is right, if not my bad
