FREE POINTS! ANSWER THIS: 2+2=? 100 POINTS ANSWER SOON! Also here's Some fun memes:

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs