The relationships tree diagram represents the between the sets and subsets of rational numbers. Rational Numbers
Section B
{0, 1, 2, 3, ...)
Which group of numbers could be placed in Section B?

What situation is an example of an observational study

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33