If you mean proof that the opposite sides of a parallelogram are equal, you draw a diagonal then prove that the 2 triangles formed are congruent.
Answer: 4.25
divide 4 on both sides, and it should leave you with x = 4.25
your welcome :)
Answer:
3.08 x 
Step-by-step explanation:
3080 = 3.08 x 1000 = 3.08 x 
The first one stays the same as it does not simplify =108
and the second one is the sames as it does not simplify =233
Answer:
it can be. It just depends on what you are interested in. If you are interested in a scientific field then it is an amazing way to use your time. But if you are bot interested in science, it is a waste personally.