Answer: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:307.2222 or just 307
Step-by-step explanation:
Answer: In explanation
Step-by-step explanation:
1. 135 - 50x
2. $15
3. $0
I hope this helped!