What is the average rate of change between x=1 and x=5 for y=2x+5

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

We just started the introduction into circles and i have no idea how to do this.

If benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r