Part a. is A
part b. the fraction combined is 49/30 which is 1 19/30 so 2km im goin with
You can set up an equation to figure this out.
-152+x=12
Add 152 to both sides and you get:
x=164
I am pretty sure it is rational but if not sorry
No she is wrong because product of a multiple of ten and a multiple of ten will not always be zero
