Of five letters (a, b, c, d, and e), two letters are to be selected at random. how many possible selections are there

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

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

The graph of a curve that passes the vertical line test is a: