Copper because it has a reddish color and turns green when it rusts.
Answer:
24a-140 is the correct answer
Step-by-step explanation:
4a²+8a-140
4a×4a=16a+8a-140
24a-140
I think the answer is B.
If that's not it, then it must be A.
Answer:
A
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
75% of 8 = 6
Hope this helps! Please give brainiest if correct.