1/2(9x-8)=10x+20+2x please help I will give brainiest for all three (10 points)

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3

Two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: what is the approximate distance, in feet, between the two poles? 6.93 feet 8.66 feet 12.32 feet 15.59 feet