Will give a brainliest if ur right !

determine which ordered pair is not a solution of y=3x-8.

a.
(8, 16)
b.
(3, 4)
c.
(–6, –26)
d.
(–10, –38)

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