Answer:
18 jars can be filled completely.
Step-by-step explanation:
7L=7000ml
1 jar contain 375 ml
375ml can be filled in 1 jar
375ml=1 jar
1 ml = 1/375 jar
7000 ml = 7000× 1/375 jar
7000ml= 18.67 jar
hence 18 jars can be filled completely.
Option A i believe but i dont know for sure
The coordinates of the midpoint:

x₁,y₁ - the coordinates of one endpoint
x₂,y₂ - the coordinates of the other endpoint
X equals 4 because 2 times 2 equals 4 and then 4 times 4 =16