Really need this questions to be answered it's my last one

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

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6

Which represents the number of times all outcomes less than a given outcome occur? cumulative frequency relative frequency frequency cumulative relative frequency