Pls help me with this math problem

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Which of these triangle pairs can be mapped to each other using two reflections?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.