What's the height of a rectangular prism with a 10by4.5 dimensions

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

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?

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