The temperature in degrees celsius on the surface of a metal plate is t(x, y) = 19 − 4x2 − y2 where x and y are measured in centimeters. estimate the average temperature when x varies between 0 and 2 centimeters and y varies between 0 and 4 centimeters. °c

Can you simplify 4/7? 24 points will be awarded!

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.

How do you find the distance of each number from the mean