Answer : Sheeeeeeesh this is tuff I don’t know
Answer:
1st is physical, 2nd is chemical, 3rd is chemical, 4th is chemical, 5th is physical, 6th is chemical, 7th is physical, 8th is physical, 9th is chemical and 10th is chemical
Answer: 4
Step by step explanation
-9-f-7=-7f+8
7f-f=9+8+7
6f=24
f=24/6
f=4
C=2(pi)r use this equation with 9 in place of r
