Step-by-step explanation:

680 exponent 3. you have to multiply and divide so..... yea
5.7 is your answer
Hope this helps.
Water is something that leads things to rust. Exposure to air also leads things to rust. Exposure to both of them will completely rust the nail if given time.
I READ IT WRONG AHH
Answer:
3
Step-by-step explanation:
5x + 1/4 = 61/4
-1/4 -1/4
5x = 15
/5 /5
x = 3