Answer:
0, -1 for part A -1,-9 for part B
Step-by-step explanation:
ANSWER
The vertex is (-2,1)
EXPLANATION
We want to find the vertex of

We complete the square to obtain,

The first three terms forms a perfect square trinomial.

The vertex form is

This equation is in the form;

where (h,k)=(-2,1) is the vertex.
I'm sorry, I don't see the question. Could you please retake the photo in better quality so I could answer it? Thanks!
Answer:
the sign is 5 ft tall
Step-by-step explanation:
30 % 12.5=2.4
12 % 2.4=5
Answer:
sqrt(20)
Step-by-step explanation:
The two perpendicular side lengths are equal, so using Pythagoras theorem:
x = sqrt( sqrt(10)^2 + sqrt(10)^2 )
x = sqrt(10 + 10)
x = sqrt(20)