¡plz ! tell me what’s the answer and earn 10pts!

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

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

What is the relationship between all triangles that can be drawn given the same three angles