Answer:
81
Step-by-step explanation:
9 x 9 = 81
So, 81 is the perfect square.
1,4,9,16,25,36,...,n^2
since they all have rational square roots
3asy
Answer:
x=2y
Step-by-step explanation:
random guess
Answer:
28 and 32
Step-by-step explanation:
28 plus 32 equals 60 and 32 minus 28 equals 4.
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