Answer: 
<u>Step-by-step explanation:</u>
(4, 1) & (2, -5)
First, find the slope (m) and then the perpendicular (opposite reciprocal) slope:

Next, find the midpoint of (4, 1) and (2, -5):

Lastly, input the perpendicular slope and the midpoint into the Point-Slope formula to find the equation of the line:

Answer:
You will multiply the scale factor by the vector
Answer:
6.875 dollars per feet
Step-by-step explanation:
110/16
6.875
Answer:
It is the third one because of formula I² + 2I*II + II²
In your case I = 4x and II = 3
Answer:
look it up
Step-by-step explanation:
Try and find a way to look it up.