You are at the store you buy a jacket that is regularly priced at $84 it is on sale for 30% off. When you take it up to the cashier they add the 8% tax. What is the price of the jacket after the discount and the tax? (Remember the tax is added to the item after the discount)

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Need on this geometry question. explain how you did it.