Part A
The angle of elevation of the staire case is given by

Part B:
<span>If
the landing of each step is changed to 17 inches and the elevation of
each step to 21 inches, the new angle of elevation for the
staircase is given by
</span><span>

</span>
Answer:
15 boys dont finish
Step-by-step explanation:
48+a=63
a=15
800
You would multiply 10x80
Answer:
Third option: 
Step-by-step explanation:
<h3><em> The correct form of the exercise is: "The point-slope form of the equation of a line that passes through points (8, 4) and (0, 2) is

. What is the slope-intercept form of the equation for this line?"</em></h3><h3><em /></h3>
<em> </em>The equation of the line in Slope-Intercept form is:

Where "m" is the slope and "b" is the y-intercept.
Given the equation of the line in Point-Slope form:

You need to solve for "y" in order to write the given equation of the line in Slope Intercept form.
Then, this is:

You can identify that the slope "m" is:

And the y-interecept "b" is:
