76 + 4= add the ones and the tens. do you regroup? yes or no

Consider the function f(x)=−2/3x+5 . what is f(1/2) ? enter your answer, as a simplified fraction, in the box. f(1/2)=

Need on this geometry question. explain how you did it.

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