Answer:
1
Step-by-step explanation:
Energy in the form of HEAT
Answer:
A
Step-by-step explanation:
Those two lines are the same. If you divide the second equation by 2, you will end up with the first equation. A system of linear equations cannot have two of the same line.
Answer:
4√3
Step-by-step explanation:
Solution:
1x +2x -7 =0
3x-7=0
Add 7 To Both Sides Of The Equal Sign Then Divide By 3