13, 6+7=13 thats my answer :D
Answer:
B.
Step-by-step explanation:
To have a negative slope, <em>m</em> has to be negative. Any negative slope would show up as a negative coefficient in front of <em>x</em>.
Answer:
We are given the lengths of the two segments of the line. Using the addition postulate we can obtain the segment of the entire line.
Did you draw out the diagram. We know that the three points are collinear.
Hope this helps
Step-by-step explanation: