Answer:
3.1 degrees celcius
Step-by-step explanation:
5.6C-2.5C=3.1C
A) 3b-7b
-4b
b) a+a-5a
-3a
c) -3-3r
cannot be simplified, no like terms
d) 7t-8t-8
-t-8
e) -15p-20
cannot be simplified, no like terms
f) -g-g-g
-3g
Answer: the first, second, and fourth are correct.
Step-by-step explanation:
28-10%=25.2
28-25%=21
28-35%=18.2
The first one is 19,487,171 and the second is 7,776