Isabel need to cut a square piece of wood with the area of 70 in.² approximate the size of the square round to the nearest 10th of a inch

Ben frank is an electrician who installs lighting fixtures. he charges (in dollars) his clients 15h+40f15h+40f where hh is the number of hours worked and ff is the number of fixtures installed. how much does ben frank charge when he works 77 hours and installs 99 fixtures?