Answer:
Hi. 
Step-by-step explanation:
Ask your teacher for help because your parents are paying the school fees. Feel free. If you want the answer still message back. 
 
        
             
        
        
        
Answer:
i dont know how your teacher teaches it but in the first question take away the y after the 25. number 2 the start equation would be 55=2x+25 then you would subtract 25 from each side to get 30=2x, the divide by to to get x=15 or she made 15 calls. number 3 is correct.
i hope this helps
 
        
             
        
        
        
The answer is $204.Hope this helps.
        
             
        
        
        
X-62=123
 +62 +62
_________
x=185
you need to add a positive 62 from each side so -62+62=0 and 123+62=185
therefore, x=185
:Done! hope this helps!