Is 0.3 0.9 rational

What 19 out of 20? When Not including thinking and reaction distance at 20 miles per hour lawful brakes should stop a car within? 30 divided by 1200? Did any hominids have a larger cranial capacity than human if so which species? How do you write 5768 in scientific notation? What is the area of a .2 m circle? Is 19 a sum of 57? What is quadrilateral whose diagonal or perpendicular to each other but unequal? What is the 2d shape of a tetrahedron? Who invented the formula of Pythagoras? How do you write a conversation between two criminals? What is a shape with 10 sides all of different lengths? What is present tense of correct? How would you solve 92 divided by 5152? What is 37 over 8 as a whole number? Is 300 odd or even with an explanation? What is the difference between 100 percent viscose and 50 percent vicose 50 percent cotton? What does draw arrays to find the factors of each number mean? Are plains and plateaus are the 2 forms of lowland? What is an example two dimensional motion?