There are 640 acres in a square mile and 5280 feet in one mile. what is the length in feet

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

Tim tradesman pays $2,000 annually for $125,000 worth of life insurance. what is the cash value of the policy after 10 years? 11,125 13,125 17,800 111,250

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y