Can someone explain what to do here

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

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table