Use polar coordinates to find the limit. [if (r, ? ) are polar coordinates of the point (x, y) with r ? 0, note that r ? 0+ as (x, y) ? (0, 0).] (if an answer does not exist, enter dne.) lim (x, , 0) (x2 + y2) ln(x2 + y2)

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Examine the two-step equation. − 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?