What is 12 over 99 simplified?

What does qs stand for? Is 10 000 a perfect square? how do you find the volume of the surface area of the solid 6 feet round 5 inches height and 7 inches long? What is the answer for 10to the power of 12? How has the astrounauts eat change over the 50 years? What is a figure 8 opposed to a figure 9? How much is size 44? What is the area of a circle if equals d 20 m? How many 13 inch x 13 inch tile to cover 300 squre foot? Is 27350 divisible by 5 yes or no? What is 2500000in expanded notation using exponents? How many hours would it take to travel 6000 in a plane? What is 200 times 80? What is 8 divide by 222? Is 4 a even composite number? Which one is greater 40500mg or 1000mg? How Inches is a size 8 ring? Is 0.111111111111111... a rational number? Answers to study link 7.4? 2x squared plus 2x minus 8 equals?