Zero
There is no solution for these equations as there is no even one point of intersection between them
Answer:

Good luck friend, I really hope this helps ya :)
190
You add everything together
Then, divide by however many numbers you have
210+160+200
570 / 3
190
Hope this helps..
Mark Brainliest Please!
I'm not sure on this one but try .30 and .90 but don't count on it to much