What do this stand for 999999999999-99-9999?

How do you measure height by dropping an object? What are the chips in polynomial damath? How to write the number 0.00483 in words? What is the solution of the system for yx 6 y2x? What is one quick way to tell whether or not a cell is dividing? What is the 10th term in the 200th row of pascal's triangle? What is it called when two of the sides on a triangle are the same size? What is the smallest three digit square number that is the sum of two squares? What are the steps to 209 x 195? Is the number 1 over 9 a solution to the equation 27x-5 equals 4? What is 0.45 in words? What angle are the poles set at in horseshoes? How many dollars are 15? How do you write 7.65 million dollars in figures? How do you write fifty-five and five tenths in decimal form? What plane figure has major and minor diameters? How do you find the percent decrease of 239 to 138? What is 1.1 kilograms in grams? How many times is the word integrity used you the bible? What does it mean dependent children?