The greenville art museum had 12 sculptures on display that were made by students. the museum received 3 more student sculptures. after two weeks they loaned 4 of the sculptures to another museum. how many student sculptures are at the greenville art museum now?

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?