If r is the midpoint of qs, rs=2x-4, st=4x-1, and rt=8x-43, find qs

What basic trigonometric identity would you use to verify that sin x cos x tan x =1-cos^(2)x?

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. the heights of the girls in an advanced swimming course are 55, 60, 59, 52, 65, 66, 62, and 65 inches. match the measures of this data with their values.

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?