How to do the parcial-quotients algorithm

Me ! write an equation for the interior angles of this triangle that uses the triangle sum theorem

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers