Probably means you need to show the workings out to the questions your answering. But that's all I can give you based on what you have posted.
Answer:
x=3
Step-by-step explanation:
6x-3-3=12
6x=18
x=3
It is 17 bc the 18 times 34
It really depends on how precise you're going to get.
You could get away with only two parts, but to be really precise, you should probably divide it into twelve (12) parts, because 5/12 means five out of twelve parts, so its would be right on the fifth subdividing marker line.
Their are many different types of atoms in the universe. It can include the proton, neutron, and the electron. Also, the quark is a particle but is not found alot.
