Find the cosine of ∠I. Write your answer in simplified, rationalized form. Do not round.
cos (I) =

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Write and solve a real word problem that involves determining distance on a coordinate plane

Someone me! if you’re smart you can solve this!