Illustrative Math

I will have to check this.
Differences month to month:
Use your math language...
A swimming pool contains 500 gallons of water. A hose is turned on, and it fills the pool at a rate of 24 gallons per minute. Which expression represents the amount of water in the pool, in gallons, after 8 minutes?
The population of a city is 100,000. It doubles each decade for 5 decades.
Select all expressions that represent the population of the city after 5 decades.

Yes or No and how do you know?
This question is asking whether there is a number that you can multiply the height by to get exactly the next height. Yes or no?
Bank account C starts with $10 and doubles each week. Bank account D starts with $1,000 and grows by $500 each week.
How much money will be in Bank account C in 5 weeks?
Bank account C starts with $10 and doubles each week. Bank account D starts with $1,000 and grows by $500 each week.
How much money will be in Bank account D in 5 weeks?
Bank account C starts with $10 and doubles each week. Bank account D starts with $1,000 and grows by $500 each week.
At what week will account C contain more money than account D?