$140 is invested in an account earning 8.5% interest (APR), compounded monthly. Write a function showing the value of the account after t years, where the annual growth rate can be found from a constant in the function.

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

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