Question

Which number line represents the solution of 4x - 9 ≥ -21?

Answer 1

4x -9 >= -21
4x >= -12
x >= -12/4

x >= -3 

so this number line started with -3 and go away till + infinity 

hope this will help you 

Answer 2

Answer:

were are the number lines

Step-by-step explanation: