Answer:
A
Step-by-step explanation:
We find the ratio by dividing two y-values from 2 consecutive x values (1 unit apart). Notice that in the table, all x-values are 1 unit apart. We can choose any pair of consecutive points.
Let's choose: (2,-4) and (1,-2). We divide -4/-2=+2.
Answer A.
The simplified expression of
is 
The expression is given as:

Expand the expression

Factor out 2

Combine the radicals

Expand the expression

Evaluate the roots

Expand

Hence, the simplified expression of
is 
Read more about simplified expressions at:
brainly.com/question/8008182
Bearing in mind that an isosceles triangle has twin sides, and coming out of the vertex they make twin angles at the base, check the picture below.
Answer:
oh god
Step-by-step explanation:
(2 + 6/2, 7 + 3/2)
=(4 , 5)