What is an 16 sided 3D shape called?

What is the relation ship of radius to diameter? A wheel 33 cm in diameter accelerates uniformly from 240 rpm to 360 rpm in 6.5 seconds. How far will a poin on the edge of the wheel have traveled in this time? What is five times five times five times five times five? What is the numeral that comes before the given cardinal numbers 4999? How do you write 1517 in roman numerals? How many zeros between 1 and 10000? What object has about one milligram in it? What is the process for finding the product of two integer? Is a kleenex box a rectangular prism? How many faces edges and vertices does a spher have? Where or what did the Romans use to store their clothing? What is a 75 degree? What is 31 divided by half? What happens if one of the fractions is negative? What is the importance of data analysis in research process? What is a positive integer plus a positive integer? Is a rectangle a special quadrilateral? Is 1.7 kg bigger than 17 g? What is the proof of the ''Fundamental Theorem of Algebra''? What is the unit rate for 840 feet in 40 seconds?