Answer:

Step-by-step explanation:
You have to subtract 2 1/2 from 6 and that will equal 3 and 1/2.
Answer:
what do you need help on
Step-by-step explanation:
Answer:
3s + 3t
Step-by-step explanation:
To simplify this expression, all you need to do is distribute the 3, which means you basically multiply whatever is in the parentheses by 3:
(s + t) * 3 =
3s + 3t
And that is the simplified form for this expression.
Hope this helps :)