I have this really hard homework question that is really unfamiliar to me I don't know how to solve for y

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

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Me. i can't figure out this question. give an explanation too. .