Step-by-step explanation:
[tex]9.62 - 3[/tex]
[tex] = 6.62[/tex]
•♧•♧•♧•♧•♧•♧•
[tex]2.57 + 7.706[/tex]
[tex] = 10.276[/tex]
•◇•◇•◇•◇•◇•◇•
[tex]15 - 6.108[/tex]
[tex] = 9.892[/tex]