Answer:
An equivalent fraction is 12/21
Nine and forty five hundredths= 9.45 or 9.06
9.45>9.06
or
nine and forty five hundredths is bigger than nine and six hundredths
or
9.45 is bigger than 9.06
Answer:
The vertex (h,k) is (-4,-7).
Step-by-step explanation:
I assume you are looking for the vertex 
.
The vertex form of a quadratic is 
where the vertex is (h,k) and a tells us if the parabola is open down (if a<0) or up (if a>0). a also tells us if it is stretched or compressed.
Anyways if you compare to , you should see that 
.
So the vertex (h,k) is (-4,-7).
