Answer:
Your numbers are +7, -9, and 25
Step-by-step explanation:
Reverse the values of -7 and +9
Then you get +7 and -9
And also take radius squared which is 25
So, 
Answer:
4 times,12 times,15 times, or 16 times
Step-by-step explanation:
T would represent 25. This problem involves you subtracting the two temperatures.
3.5 kg:800g
3500g:800g
35g:8g