can someone please check if i did these correctly?

Question

anonymous · Answer

where is it?

anonymous · Answer

nope

anonymous · Answer

which ones are right and which are right?

anonymous · Answer

that's not funny in any way

anonymous · Answer

im really sorry, i just joined this website today because i needed help :( but anyway, i'm probably not in your grade, i'm terribly sorry to annoy you in any way.

anonymous · Answer

@jim_thompson5910

anonymous · Answer

help @dinosour1480

freethinker · Answer

well show us your solution to the first one. 
is it a compounded itnerest or a simple one?

anonymous · Answer

i know number 1 is right and maybe 5 
i am not sure at 3 and 4 can you tell me what you think the answer is to 3 and 4 so I can check my work  my work is on paper

freethinker · Answer

okay let us work on number 3 then:
Barbara opened a store credit card to purchase a game console for $396. She put the entire purchase on the credit card. Her APR is 24.99% and the minimum payment is 5%. Assuming she makes only minimum payments, what is the remaining balance on her card after 3 months?
show me your solution