5−3 when =−2,=4,=6 evaluate

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x