B is the answer I think but so t take my word for it
1/8 is rational because irrational numbers can be written as decimals but not fractions
Answer:
If all four angles of a rectangle have the same measure, then it is a square.
Answers:
Row one: 1 and 1
Row two: 1, 2, and 1
Row three: 1, 3, 3, and 1
Row four: 1, 4, 6, 4, and 1
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Explanation:
Each value can be found in Pascal's triangle. You can also use the nCr combination formula to get each value. The nCr formula is

The value of n represents the row number. The r value is the column number, so to speak, for each row.