Dayanara was given $5000 when she turned 5 years old. Her parents invested at a 7% interest rate compounded annually. No deposits or withdrawals were made. What expression can be used to determine how much money she had in the account when she turned 21? Guys please help me need ASAP

The price of a new video game is $59.69 before tax. allison bought the game for 12% off. she then paid 9.25% sales tax on the discounted price.part a: how much did allison pay in sales tax? show all work and steps in your solution. round your answer to the nearest cent. part b: what is the total amount that allison paid for the video game? show all work and steps in your solution. round your answer to the nearest cent