Im not in this math section yet but i think that you can look it up as a worksheet and find the answer on google.
You can always draw a right-angled triangle where the sloped side c is the line between the two points of interest, and a and b are the sizes of the horizontal and vertical lines.
Then apply c = √(a²+b²)
Answer:
$48 - $4 = $44
Step-by-step explanation:
Explained above