What is a quincenarria?

Is there an age height weight scale? How many square yards is a 9ft by 7ft room? Who has the right of way at a four way stop? What is the GCF of 96 108 and 180? Three times as much? Convert 229 inches to feet and inches? What short articles on teen biz 3000? How many meter equal to 1km? 8.1 km equals how many meters? Is .1 the same as .100 in decimal? What is the title of the first book of the Bible? What is 50.55 rounded to the nearest tenth? What are Three fifths of a circle is what part of a decimal part of a circle? Should the numbers 1 through 9 be written out? How old would you be if you were born April 1995? If I increase one variable what will happen to the other variable? What is the median for 3 6 17 9? What does two times negative two equal? Does au equals 1000 km? When was Two Hands Clapping created?