use the given transformation to evaluate the integral. 2y2 da, r where r is the region bounded by the curves xy = 2, xy = 4, xy2 = 2 and xy2 = 4; u = xy, v = xy2

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000

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