Help me solve these questions, please show steps on how you got the answer

Question 1

Find the maximum and minimum volumes of a rectangular box whose surface area is 1300 cm and whose total edge length is 200 cm. maximum minimum Need Help? Read ItThe figure shows level curves of a function fin the square R = [0, 6] x [0, 6]. Use the Midpoint Rule with m = // f(x, y) dA R How could you Improve your estimate? 2 to estimate the following, The value of the Integral Is x t You could Improve the estimate by v m and n to use a V number of_ y subrectangles. Need Help? @@