What is 4 4/9 converted to a decimal

Which function has the smallest y-intercept value

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account