Plz i am stuck!
which statement completes the syllogism?
if a polygon is a square, then it has four congruent sides. if a polygon has four congruent sides, then it is a rhombus.
therefore,

a: if a polygon is a square, then it is a rhombus
b: if a polygon is a rhombus, then it is a square
c: if a polygon is a rhombus, then it is a parallelogram
d: if a polygon has four congruent sides, then it is a square

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)