The answer is (2,1). 2*2=4 and 9*1=9. 9+4=13
Answer: 
<u>Step-by-step explanation:</u>

Answer:
<u><em>Real-world examples of line segments are a pencil, a baseball bat, the cord to your cell phone charger, the edge of a table, etc. Think of a real-life quadrilateral, like a chessboard; it is made of four line segments</em></u>
Step-by-step explanation:
Hope this helps:)
Solution:
1x +2x -7 =0
3x-7=0
Add 7 To Both Sides Of The Equal Sign Then Divide By 3