Answer:
-3
Step-by-step explanation:
you can divide the second term by the first term to solve
39/-13 = -3
then, I like to check that this fits with the third term
39*-3 = -117
so the common ratio is -3
V= 3 x 4^2 x 12
v= 576cm^3
The answer is 5 Bc it’s half of ten
