Who are the fukushima 50?

What times 30 equal 9? What is a fractional notation for 6.5? Who sang 'Fire' probably from the 60's or 70's? If somebody earns 8.50 per hour last week and worked for 36 hours how much is it? How do you write 9 10 in standard form? What is x-7y plus 4x-2y simplified? What is 51 BC? How can you find the area of a shaded region assuming the octagon is regular? Is .5 bigger than 0.56? What is the quotient for five whole one over four divided by three? What is 1over 4 time 2 and 2 over 7? What were Yang Hui contribution to mathematics? What is 6.91 rounded to the nearest tenth? Is 380 a square number? What fraction of 2 hour is 15 minutes? What is the value of the discriminant for the equation 2x2 plus 3x-4 equals 0? How do you write 9 plus q in words? How many minutes is 1075 seconds? What is the GCF of 34 and 54? Real life examples of scientific notation?