Answer:
1,rational
2,irrational
3,rational
4,rational
5,irational
Step-by-step explanation:
for number 1 and 2just ask your self what times what =this and
number 4 just divide 72 by 4 and
number 5 pie is always irrational
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Answer: X = -12
Step-by-step explanation: 1) 12 + x/4 = 9
2) 12 + x/ 2^2 = 9
3) x/ 2^2 + 12 = 9