Answer:
28
Step-by-step explanation:
Answer: 40
Step-by-step explanation:
second train leaves 40 minutes after
The answer is 39 degrees <span />
Answer:
y = 13 over 20x - 4
Step-by-step explanation:
Just use changing y over changing x
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.