U would do 10+5 first then u would do 5+2 so 15+7 =22
The midpoint of EF is M. The length of EM is 5
Given :
The endpoints of EF are E(2, 3) and F(8, 11).
M is the midpoint of EF
Lets find out the midpoint M using midpoint formula

Substitute the values inside the formula

Midpoint M is (4,7)
Now to find out length of EM, we use distance formula

So, length of EM= 5
Learn more : brainly.com/question/18332427
Answer:
-63 gallons
Step-by-step explanation:
You don't know the original water amount, but it is asking for the change or the difference in the water volume so it doesn't even matter.
Since 7 gallons leak every hour and it is over 9 hours, you can multiply 9 by 7 to get 63 gallons.