How do you solve a problem like this one(4,-6), x + 2y= 5

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?

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.