What is the equation of a line with a slope of –2 that passes through the point (6, 8)?

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)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

What is the interquartile range (iqr) of the data set represented by this box plot?