Answer:
3x+12
Step-by-step explanation:
distribute
Answer: it goes up like 10,20,30,40
Step-by-step explanation:
The relationship is 1,5 because the hot air balloon rises 5 foot per 1 second.
Answer is in a photo. I couldn't attach it here, but I uploaded it to a file hosting. link below! Good Luck!

Answer:
1/3
Step-by-step explanation:
The only way it could be less than 9 is if the second cube is either 1 or 2. The probability of either of those outcomes is 2/6, simplified to be 1/3