Hope this helps but I think it is A.)addition property of equality.
Answer:
7 ; 6
Step-by-step explanation:
<span>7s over 5t to the negative 3rd power 2 to the negative 3rd power times X to the 2nd power times Z to the negative 7th power 7s to the zero power times T to the negative 5th power over 2 to the negative 1st power times M to the 2nd power If you would please simplify these </span>
Honestly, I would go with:
C. Yes, because the mean is larger in the math book
Because the mean for the math book is 49.9 and the poetry book's mean is 41.5. And since 49.9 is a bigger number than 41.5, that is why i'm going with that one
But it's for sure one of the bottom 2
Hope this helps!! :-)