Answer: D
Step-by-step explanation:
4r-r+3r can be simplified to just 6r
-s-2s-s can be simplified to just -4s
Answer:
I think its 13
I don't really know, but that's not the right answer
B, 2 times a number means multiplication, 4 less is subtraction and is means equals
Answer:
4.07g= 4070mg
9kg= 9000g
Step-by-step explanation:
Thank me later
Hope this helps!!!