2times the difference between 49.5 and 37.5

How do i get my dad to stop making me gargle his pickle i want my mom to gargle my pickle not my dads

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?

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)