Answer:
-8k-15
Step-by-step explanation:
5(−2k−3)+2k
Distribute
-10k -15 +2k
Combine like terms
-8k-15
The coordinates of the midpoint are the average of the coordinates of the given points.
So, the x coordinate of the midpoint is the average of the x coordinates of the given point:

And similarly, the y coordinate of the midpoint is the average of the y coordinates of the given point:

So, the midpoint is the point 
Answer:
0.8888888888888
Step-by-step explanation:
To estimate I would do 50*7 which is 350. That is overestimating since the real answer is 336.
Before 7:15 is the answer.
6:30 + 21 minutes + 21 minutes puts the time back at 7:12.