9 dived by 3 = 3
so he surfed for 3 hours = 1/3 of 9
and there are 6 hours left
so he spent 6 hours building a sandcastle
Answer: THe Second answer is the correct one
Step-by-step explanation:
Answer: x= -7, y= 0
Hope this helped , if it did mark me brainliest pls!
Answer:

Step-by-step explanation:
