What is three tenths times two and five sixths?

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?

When y’all answer can y’all explain too !

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?