Option D is the correct answer
Answer:
Step-by-step explanation:
-8x^2 - 12 + 7x^2 - 9x + 3
-x^2 - 9x - 9
2.3 is smaller than 2.6: we can see it just by looking at the digits from left to right.
now, where does 2

stand?
its fraction part is equal to
do that means that 2

=2.8
which is bigger than 2.6
so the final order is
2.3 2.6 2
Yup! you did it correctly