Answer:
The answer is
<h2>

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Step-by-step explanation:
The midpoint M of two endpoints of a line segment can be found by using the formula

where
(x1 , y1) and (x2 , y2) are the points
From the question the points are
(-8, 3), (-8,-4)
The midpoint is

We have the final answer as

Hope this helps you
Answer:

Step-by-step explanation:
If
, and 
then
can be calculated via:

Answer:
y=-.5x+4
Step-by-step explanation:
25% off translates into 0.25($30) = $7.50 off.
A faster way to determine the sales price is to subtract 0.25 from 1.00 and then mult. the regular price by the result: sales price = 0.75($30) = $22.50 (answer)