No its not because its a repeating decimal for a number to be a irrational number it has to be non terminating or non repeating
The answer should be 6z + 54 but I’m not completely positive.
The coordinates for point R will be (-1, -6). This is because a rectangle has opposite sides and as you plot your rectangle with these defines points along with that of R, you will be able to successfully achieve a perfect rectangle.
It changed by $.04 in 4 years.
$.04 / 4 = $.01
The stamp changed by 1 cent/year
