What is 7 fiths?

What is the value of x when x2 5 21? What is image of the face called? What are odds of finding a six leaf clover? Show how many inches in 1 yard? Where wouldthe thickness of the earths crust be about 40 km and where would it be about 8 km? What is x-4 equals 9? What is the square root of 20 cubed? What does kerah meAN? How do you calculate r2? What does IDB mean? What is the first np-hard problem? What is the mode median range and average of 1 2 3 4 5 6 7 8 9 10 11? Is 15 feet grater than 3 yards? Which solid figure had the most vertices? There are red and blue marbles in a jar one-third of the marbles are red if another marble is added to the jar then 3 8 of the marbles will be red how many marbles are blue? What is 6900000000 written in scientific notation? Is there such thing as a obtuse equilateral? What is 4 divided by 359? What is the area of a triangle with a height of 10Cm and a base of 8Cm and sides of 17Cm and 18C m? Which expression represents a number n divided into eight equal parts plus three?