Answer:
4d
Step-by-step explanation:
i think any variable alone with no coefficient equals one
so this problem is like adding the terms 3d + 1d
so 1+3=4
and you use the variable d at the end
therefore the answer would be 4d
hope this helped<3
The class needs 40 more boxes , I don’t know why they need 600 pencils but they do
Answer:
3.14 x 4
Step-by-step explanation: