Answer:
To inform
Explanation:
A brochure from a zoo will likely contain scientific facts and knowledge about the animals, as opposed to entertaining or persuading the target audience, making the author's purpose to inform.
GreekMythology.com or try wikepedia
The cost is an expensive habit? not really sure but people who smoke spend a lot of money if they have been smoking for a long time.
A claim is the main argument. Evidence is the facts or research to support your claim. I hope you win your next argument! :D