Expanded Form:
40,000,000+4,000,000+80,000+700
I think its C Because Aob is a given angle Boc is where we prove Aob so Im 95% sure its c
Answer: x+y=
Step-by-step explanation:
you would just write it out step by step explaining wht u need to do to solve the question
Answer: 33 gallons
Step-by-step explanation:
We initially have 130 gallons of a 
acid solution and we need to change it to a 
acid solution, and for that it is necessary to evaporate 
gallons of water.
So, this situation can be mathemtically expressed as follows:
Then:
Isolating :
Hence, we need to evaporate 33 gallons of water.
