Answer:
I believe there are only 5...
I am pretty sure it would be like r1 r2 r3 r4 r5 & r6
Answer:
Change in Y by the Change in X.
Step-by-step explanation:
Slope can be found by dividing the rise (change in y) by the run (change in x).

About 80 centimeters, since the 0.5/80 is almost 0
Every number has its purpose in this case you start at -3 then the negative sign tells you which way you are going but since we have another negative sign in between the number we go to the right instead of left with that said you put the point in number 4