Find the value of X in the triangle shown below

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Apolygon is shown on the graph: a polygon is shown on the coordinate plane. vertices are located at 3 comma 5, 1 comma 3, 1 comma 1, 2 comma 0, 4 comma 0, 5 comma 1, and 5 comma 3. what effect will a translation 3 units down and 2 units left have on the polygon? be sure to address how it could impact the angles, side lengths, and congruency between the original pre-image and the image. xd i need