Math right now plzzz hurry noow now now 2 attachments giving a brainliest answer all

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

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

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane