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:
Step-by-step explanation:
=>
=>
<u><em>Cancelling (x-1)</em></u>
=>
=>
The square root of 7: 2.64575
-0.3
(-7/4)= -1.75
0.1
Square root of3: 1.73205
greatest to least: (-7/4), -0.3, 0.1, square root of 3, square root of 7