Answer:
x=12
Step-by-step explanation:
each CD is 12$
Answer:
I can't quite tell what it is. But if you make it bigger ( the picture ) I will try to help.
Step-by-step explanation:
Answer: 500
Step-by-step explanation:
300 squared plus 400 squared is x squared so just do the square root of 300 squared plus 400 squared