How do you find the slope of a graph without perfect points

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers