Hello!

Explanation:
↓↓↓↓↓↓↓↓↓↓↓
First this problem it should be the group like terms.

Then you add similar elements.


You can also add or subtract by the numbers.


Answer⇒⇒⇒3d+9
Hope this helps!
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-Charlie
I thought I knew the answer but I don’t Srry I need points
Answer:
30m per gallon
Step-by-step explanation:
150m/5g= 30m/g
Answer:
SAS
Step-by-step explanation:
well there exactly ths same you just add what ever inside and subtract forn 180 which is an angle
K is the right answer for the problem!