What is the 69 in PR69DCAM?

What does the saying six of the best mean? What is 1 plus 2 plus 3 plus 100 equals to? What is 3,942,583 to the nearest thousand? Find the slope of a line parallel to x equals -4? What statement is the best example of how change can be positive thing? Is it true you can find the mid point of a segment using folding constructions? What does a line above a variable mean in math terms? What is 1000 x 30 equal? What is a dinitrated product? What is a bell-shaped distribution in statistics? How do you round 11.972 to 1 decimal place? What kind of fish food has a FCR less than 1? How many square meters is 8712 sq ft? What is 3 tenths less than 7.697? How would you graph 2x plus 3y equals 6? What is the second greatest factor of any number and how does this relate to the greastest factor of any number? What is the measurement of an angle whose supplement is 4 times the measure of its complement? What is the y-intercept of this line 7x plus y equals 6? What is 1 and three fourths in decimal? X plus y 6?