The anwser is 5/14...... hope this helps! :)
Answer:
Step-by-step explanation:
by definition : The inverse of a relation consisting of points of the form (x,y) is the set of points (y,x)
if (1,7) is a point belong to f(x), then the inverse has to be (7,1) not (8,1)
Answer:
○ B) ⅘
Step-by-step explanation:
Starting from the second endpoint, you go four blocks <em>south</em><em> </em>over five blocks <em>west</em><em> </em>[<em>west</em><em> </em>and <em>south</em><em> </em>are negatives], giving you ⅘.
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The midpoint formula for a segment is:

apply to points R and P

using the definition of slope find the slope of the segment

apply to points R and P

to lines are parallel when the slopes are the same

two lines are perpendicular when the product of the slopes is equal to -1