Answer:

Step-by-step explanation:
To find : Convert
into 
Solution :
We convert units one by one,



Converting temperature unit,


So, 
Substitute all the values in the unit conversion,



Therefore, The conversion of unit is 
Answer:
im not sure if this answer is correct but i think its 22
Answer: 7x+25y=15
Step-by-step explanation: combine all like terms
Answer:
The actual distance is 11.7km
Step-by-step explanation:
2cm = 1km
1cm = 0.5km
23.4cm = ?
23.4 × 0.5 = 11.7km
(Correct me if i am wrong)