Answer:
y-5x=21
Step-by-step explanation:
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answer
To determine the perimeter of the pentagon, you must first calculate a side length of it. Let's name the coordinates A(-1,4) and B(2,3).
To figure out how far the points are from each other, you have to use the distance formula:



D_{AB}= \sqrt{(2--1)^2+{(3-4)^2}




Now, the formula for the perimeter of a pentagon is
P = 5×side length
So...
Perimeter = 5×

The answer is (2)
Answer:
when you divide both sides of any inequality by a negative number, you need to greater than the inequality symbol
Step-by-step explanation:
have a great day ahead :)