I feel like it’s B but I’m not sure
Answer:
The bill will be $26070.
Step-by-step explanation:
Your base plan costs you $30 a month
And each text sent or received is only 12 cents or $0.12.
Let the messages sent be = x
So, cost for messages become = 
Let total bill cost be = y
Now, total bill will comprise of monthly plan charges plus message charges.
So, equation forms:

Now, given is that In one month 217,000 messages were sent between two brothers in Philadelphia.
So, their approximate bill will be :

=>
=> y = 26070
Therefore, bill will be $26070.
Answer:
Step-by-step explanation:
so we know what to add or subtract by
What are the statements to the equation
Tips to answer
-look up on google for any equation you may need
-if c=cos n in triangle abc find cos c (if that’s needed for the statements)
-look at all answers since they all could be true
~sorry I cannot help more with this~