Answer:
Final answer is 
Step-by-step explanation:
Given expression is
.
Now we need to subtract them.
We are allowed to subtract like terms only that has same variable with same exponent.






Hence final answer is 
Answer:
Its A and B i beleive.
Step-by-step explanation:
48 degrees remains
divide minutes by 60
36/60 = 0.6
then divide seconds by 3600
12/3600=0.003 ( to nearest thousandth)
now add them all up
48 +0.6 + 0.003 = 48.603 degrees
It would be one if u make it one