It all depends on the exact problem. Most hexagons have an interior of 60 degrees and an exterior of 120. Hope this helps!
Answer:
9. This is because you have to add 13 to -4, which gives you positive 9. Hope this helped!
Answer:

Step-by-step explanation:
Given:

Let us assume that this equation is equal to 0.
Hence 
Now Solving the above equation we get,

Hence by solving the equation we get 
Answer:
m, the amount of money in Michael's bank account
t, the total between the two bank accounts
the equation could be 65+m= t
hope this helps :)