How can you represent the undifined terms?

How many sq. inches in a 18 inch circle? What is 6 over 10 as a percent? How many skewers do you need to make 1 million cm if 1 skewer is 30 cm? How many syllables are in the word inseparable? What kind of data can be represented by a stem and leaf plot? When Excel follows the order of operations the formula 8 multiply by 3 plus 2 equals? Is there a septillionare? Is a sentinel value always the last value added to a sum being accumulated in a sentinel controlled loop? How do you write seven and twenty six ten thousandths? What are the 6 most prime numbers of 1 to 49? Is speed of light in vacuum and medium same? What is 60 plus 80? What is the total of 861 495 and 827? What is negative 2 to the sixth power equals? How do you solve -2x plus 4y equals 8? What is the HCF of 26 and 44 and 56? What are the rules of dividing integers? Which to integers is 150 between? What sum of two numbers is 567 the one number is 197. The other number? What is 90 percent off of 6.99?