How many 9s in 100?

What is the single digit that can express the golden ratio? What is the exponent of 169? What is a Perfect or typical example? What do a parallelgram look like? 40 miles going 60 mph? What is 3.25 as a decimal rounded to the nearest tenth? Classify the triangle by its sides. The lengths of the sides are 6 7 and 8.? How can you write 20 in roman number? What clues do arc use to get information? Why residual volume cannot be measured with a spirometer? What is 6x2 equals 4x? Do solids changes their shape in different containers? What is 3 to the power of 5 divided by 3 to the power of 5? What are 1 2 3 5 7 9 11 13 17 19 23 29 31 37 41 43 47 59 61 67 71 79 83 97 called? What is the gcf of 900 and 240? Simplify -5r-9s plus 9r plus 3s-6? Six times a number minus eleven? What does 14dm in centimeters? Where does blastocyst form? What is 2.1 divided by 10?