Steps:
r-31=6
r=6+31
r=37
The answer is r= 37
It's boundaries would be Mississippi River on the west, Canada on the north, and Spanish Florida on the south.
5x + 4y = -4
-5x -5x
4y= -5x - 4
— ————-
4 4
y=-5/4x - 1
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Answer: each time the pentagon is rotated 72, it maps back onto itself. There are five values of a for which the pentagon maps back onto itself. this is the same as the number of sides of the pentagon.
Step-by-step explanation: edmentum
