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

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge