Find the equation of the line through (2,1) which is parallel to the line y=−7x−1. Give your answer in the form y=mx+b

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Which of the following is the true for f(x) = 5cos

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76