Answer:31 dived by 81 is 0.3703
Step-by-step explanation:
Answer:

Step-by-step explanation:
1. Subtract 8x from both sides:
8x-6y-8x=36-8x
2. Simplify:
-6y=36-8x
3. Divide both sides by -6

4. Simplify to get answer
I believe the answer would be B. Catalysts lower the activation energy.