What are standered units?

How many inches is 160 microns? What does 787878 plus 949 equal? What is a triangle that only one side measures to 90 degrees? What does skift mean? The length of the major axis of the ellipse below is 17 and the length of the red line segment is 6. how long is the blue line segment? What is the least common multiple of 6 and 30? What is the angle of incident if the reflected ray is 24 degree to incident ray? What is one and four sevenths plus six and seven eighths? What is a two dimensional graphic representation of a selected part of the earth's surface? What does the term 'party dots' mean? Who wrote the NIV Bible? How do you find the prime factorization of 891? Why does long distance runners need speed? What is the hypotenuse if the legs are 39 and 80? What is the surface area of a cone with a diameter of 15 and a slant height of 15? Is 156 a composite number? The general strategy for solving an equation of the form x a equals b is to? How many times does the word home appear in the bible? What is a semi- closed or a semi-open primary? Can the AQI go above 500?