The answer is -25
All you have to do is add -6-9 which equals -25 because “same signs add(+) and keep” “different signs subtract(-)” but “add” means positive number and “subtract” means negative number. Since they are different signs a (+) and a (-) you subtract it.
Hope this helps!
Answer:
C
Step-by-step explanation:
The picture give you the law of the volume of the pyramid
Answer:
I don't get it. Is that the full question?