Answer:
x and y = 0
the question looks weird and almost wrong because when you subtract the equations, you are left with nothing
Step-by-step explanation:
Multiply the top equation by 3 to make the -x a -3x instead.
Then do the top equation - the bottom equation
At this point you should be left with x
No because she needs to go over 1 space from the origin and up 7 spaces to correctly graph it
<u>Answer:</u>
The element is Chromium.
<u>Explanation:</u>
The atom has 24 protons and 12 neutrons.
We know that Cr has 24 number of protons, to the Chemical is Cr (Chromium)
Again, we know that the atomic number is the number of protons and the atomic mass is the sum of proton and neutron.
So, the atomic number is 24 and the atomic mass is (24+12)= 36
Therefore, the symbol is 
Answer:
6.7
Step-by-step explanation:
<span>(<span>9<span>a^18 </span>− 8<span>b^8</span></span>) </span><span>(<span>9<span>a^18 </span>+ 8<span>b^8</span></span><span>) Is your answer :)</span></span>