What is a Veribale?

How do you solve for a right triangle? What is one fourth of a full rottion? How many weeks it take intill 40 days? What is seventy two millionths in decimal notation? Sq feet in a yard of sand? what- an equilateral triangle is used in a tent design. is this statement true or false the triangle is equilateral? How does the speed of light in the fiber compare with the speede of light in the outer covering? What is a real number that has one and only one value not a variable called? How many integers between 100 and 400? What is 4 divided bye 91? What is (2x-4)-(6x plus 6) simplified? Is it correct to say everyone in the class OR all the students in the class? Is 8 twelves greater than 2 thirds? What is a normal distribution graph called? When and where was the first use of zero? What is the factor of the monomial 16s squared plus 8s plus 1? Can 30 go into 280 evenly? 2 types of variables? What is the meaning of 2 over 2 as a time signature? What are the shapes of the faces of a trianglar prism?