pedro opened his account with $710 and withdrew $35 per week, Matia opened her account with $570 and withdrew $25 a week. In how many weeks will their account be equal. what is the variable on both sides

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.