Yes you need to! And you need to be careful not to forgot that when doing your calculations!!
I can't answer your question without a picture... Sorry.
Answer:
-14n - 2r - 21
Step-by-step explanation:
Answer:
all you have too do is 750*750 = 562,500
Step-by-step explanation:
i hope this helps and pleas give me a stare and a heart thank you so much if you do and if you do not still thank you