How many yds of concrete for 900 sq ft by 6inches thick?

What is two thirties as a percent? What is the greatest common factor of 39 91 and 143? What is 12064 rounded to the nearest whole number? What number has the prime factorization of 2 to the exponent of 2 x 3 x 5 to the exponent of 2 x 7? What is 2.85 to the nearest hundreth? How do you write 0.028 as a fraction in simplest form? What is 48x4? What is 85 percent of a 35 year sentence? How do you round 781 to the nearest 10? What numbers go into 43? Convert 19 into a decimal? A store sells boxes of juice in equal-size packs. Garth bought 18 boxes Rico bought 36 boxes and Mia bought 45 boxes What is the greatest number of boxes in each pack? What is the number after 100000 in base 2? How do you write greater than 100 using sign? What is 3.3333 as a mixed number? How do you close the GW basic? What is 0.678 rounded to the nearest tenth? What numbers is a composite 3 or 5 or 7 or 9 or 11 or 13 or 15? What is the Lowest common factor of 9 7? What is 2.53kg to the nearest kilogram?