Choose the correct label for the solution to each system of equations frok the drop-down menus

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

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

Is it greater than or less than7*3_9*2