Answer these questions

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

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?

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.