What is the ratio of 30 and 21?

What is standard length of 3 wood shaft? What is 4x square minus 6xy? Is 3.40764076407640764076 an rational number or irrational? What is the simplest form of x to the 4th? What is 11 percent of 1800? What item equals 30 centimeters or 12 inches? What is equal to 24? Why do i keep seeing the number 247? How do you find area of circle that is 4.3 ft? What barclays branch has sort code 20-80-57? What is 170 out of 250 points? What is a synonym for the word fact? Ratio of 14 and 8? How do you write ninety thousand four hundred sixty and three hundred twenty five thousandths in standard form? What is 29.50 times 48? If a circle has a diameter of 7cm what is the radius? What does clear the whole mean? How do you figure 12.312 in scientific notation? 61.5 inches is how many centimeters? How old is corl horl?