Quotient is 21
<u>Step-by-step explanation:</u>
Step 1:
Divide 85 by 4. Using long division method, find the quotient.
<u>21</u><u> </u>
4|85
8
-------
5
- 4
--------
1
Do you have a picture? i can help if you have one
no ye puedo ayudar amigo o amiga
Answer: (13,-7)
Step-by-step explanation:
By using the formula 
is the coordinates of the midpoint.
For finding the midpoint X variable do:

For finding the midpoint Y variable do:
(you can either keep the parenthesis or take them out. Either way, the answer is the same.
Considering coordinate numbers follow the format: (x,y), you'll simply just substitute the numbers found above into their respective places.
x: 13
y: -7
(13,-7).