Question

help please? :)

Answer 1

x-1 <= 12
x <= 13

2x >= 30
x >= 15

Answer 2

so is it?
A number line with a closed circle on 13, shading to the left, and a closed circle on 15, shading to the right.

Answer 3

I think you should understand what you do , read it carefully and you can do whatever you want.

Answer 4

@jenniferjuice