Answer:

Step-by-step explanation:
Swap the sides of the inequality and flip the inequality sign:

Divide both side of the inequality by -6 and flip the inequality sign:

Answer:
false
Step-by-step explanation:
The horizontal axis is the x axis.
I don't really know what your school wants in the blank but here's what I think it is:
The horizontal axis on the coordinate grid is the x axis.
Hope this helps! let me know if its right!
C = number of parents
c+9 = number of children
2c+9=25
2c=16
c=8
8 parents, 17 children