b = 3
Step-by-step explanation:

Add similar terms :

Collect like terms and simplify

15, 30, 45, 60, 75, 90, 105, 120, 135, 150
20, 40, 60, 80, 100, 120, 140, 160, 180, 200
Smallest number would be 60 because it’s the least common number in both theaters.
Let me know if I’m right,
-Hoodie
157= one hundred and fifty seven
Is the surface a rectangle?? If so, then the surface area would be 35
Try to do the volume divided by 3