At a school of 1,500 students, 20% are left-handed. A student randomly selects 200 students and obtains 22% left-handed students. A second student takes another random sample of 250 students and obtains 27% left-handed students.

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

Write the pair of fractions as a pair of fractions with a common denominator

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?