Explain how the particles move before, during, and after melting.
Before:
During:
After:

Step-by-step explanation:

before: very slowly because it is still a solid form

during: Start to move faster because there is more space and its less solid

after: fast because its not solid anymore

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )

the answer is 31.27mph