Answer:
I think that it D
Step-by-step explanation:
C= .07=70%. So I know that it is not C
A= 30% but the question doesn't even have a 3 in it, so therefore it cannot be A.
B= Is basically the same concept as A. There is no .3 or 3 peroid.
So I say D
5z^2 + 6a is the simplified expression
38-13=25 more secs. bc ur just dealing with the sec. not min so... just subtract