Answer:
x
2
+x−20
Step-by-step explanation:
It would look like this: O=C=O
Hope this helps you out.
Answer:
z is equal to 18.5
Step-by-step explanation:
When an equation is in the format a/b = c/d, the quickest way to simplify it is to cross multiply. Each side is multiplied by the other sides denominator, eliminating the division:

So z is equal to 18.5
Answer:
15 I think
Step-by-step explanation: