I^2=-1, x ve y gerçel sayılar olmak üzere x^2 - y^2 - 17(1 + i) = (x + y)i

olduğuna göre, 3x - y kaçtır?

A)-17
B) 12
C) 16
D) -5
E) -19​

Beth makes batches of bluberry muffins and banna muffins. each batchis 6 muffins. she makes 2.5 batches of bluberry muffins. how many batches of bananna muffins should beth make if she wants to have a total of 60 muffins?

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

Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?