Answer:
y=2
Step-by-step explanation:
x+y=8
6+y=8
6+2=8
so y=2
Answer:

Step-by-step explanation:
If the x-coordinate of R is 6 units away from D's x-coordinate, then so will J's x-coordinate. If the y-coordinate of R is 8 units away from D's y-coordinate, then so will J's y-coordinate.
Side note/Extra information:
The line would be 
The area of this shape is 52
Every hour, the number of liters decreases by 0.5 liter.
Answer:
6,956,000
Do all the operations in order by following the PEMDAS method.