What kind of graph identifies a hierarchy?

How Convert square inch to square feet? What are the common multiples of 10 and 20? Can three-twelfths be reduced? How many marks do you need to get a level 4 at science in year6 SATS? What bank this sort code 60-50-06? What is 1.725 in words? What are the common factors of 36 63? What is the remainder of 4 divided by 3? Which is not divisible by 9? What is it called when the constant difference of any term and the previous term? What months of the year have less than six letters in them? What does minus 6 minus 8 equals? What is the probability of rolling a number that is a multiple of 3 on a fair number cube? What is the remainder of 1 divided by 5? What is the volume of a penny in cubic inches? How much 2 yards in feet? What is the price estimate for a historectormy? Can a fraction be a prime number? What is the length of the rectangle is 20 more than its width if the perimeter is 160 cm what are the dimension of the rectangle? What is a product value statement?