Answer:
you betrayed me and I know you'll never feel sorryyyy for the way I hurt
Answer:

With the vertex 
We see that b = -10 and a = 2 and then the vertes wuld be:

And the best option is:
b. (-10,2)
Step-by-step explanation:
For this problem we have the following function:

And if we compare this expression with the general expression for a parabola given by:

With the vertex 
We see that b = -10 and a = 2 and then the vertes wuld be:

And the best option is:
b. (-10,2)
378x^3 , i think thats right.
5.637 x 10^3 that’s all iv got
Answer:
answer is [(-5)+6]+6]+(-3)=4