Is 9 a irrational

Is 0.39 rational or irrational? 50 millimeters to 1 meter? What is four and two thirds divided by one fourth? How high is 5 foot in inches? When the vertex angle and the base of an isosceles triangle are given how do you find its perimeter? What does L3 mean? Is 4.2 equal to 42000? What is the 1 6th of a pound? When albert einstein was a child he was slow at developing what? What is negative 40 plus 70? What does a code 76 mean on a obd1? What is 3.934 rounded to the nearest hundredth? Is Sin theta can also be mentioned as? Which is bigger kiloliter or gallon? How many seconds in 43 minutes? How do you get tare weight per box? What is the formula to find the volume of the right triangular prism? What quote did Jan matzeliger say? What is 2 plus 30.9? What is the next composite number after 8?