Answer:

Step-by-step explanation:
Slope intercept form a equation of a line is given by the following formula:
Slope intercept form:

Given that, a point is (-4,-4)
i.e.

Slope, 
Putting the given values in the Slope intercept form equation:

Putting the value of
and
in the slope intercept form:

Answer:
The last one (4 sqare root 3)
Step-by-step explanation:
The square root of 16 is 4 so then it would be 4 sqroot 3
H of three is 7 Bc you just plug it in