What is the 9x table?

What is 511 rounded to the nearest7? What is 16 over 21 as a decimal? How much water is needed for a 500 of juice with a ratio of 1.4? What is 420 rounds to the nearest ten? When a deck of cards slips out of your hands and fall to the ground gravity does work on it? Do because and however mean the same thing? What are all the ailen in the omnutrix? How long is 1 billion hours? The unit to measure temperature? What are the Friday the 13th occurrence patterns? What is the perimeter of an equailateral triangle whose side measure 7.5 cm? What is three tenths minus one twentieth? How old will a person be if they lived 1 million seconds? 8 times what equals something right below 50? The metric unit for work is? What is 6 percent of 2.59? What is 1.56 to the nearest tenth? If someone drove 4000 miles and that was four fifths of what another drove how many miles did the other person drive? What shape has 2 pairs of equal sides but is not a paralleogram? Area of a circle 30mm radius?