What two integers is the square root of 19?

25h plus 40 -15h -80? What is the purpose of plotting and collecting data on a graph? What is 1.3 billion divided by 59.5 million? What is a 6 letter word that ends in s and is a unit of measurement? What two numbers make 501? What type of a variable is altered by the experimenter in an attempt to view behavioral differences? The moon in its phase when the illuminated area is greater than a semi circle and less than a circle? How many sq ft in 3.3 acres? How many sections of land make up a township? How do you write 1050.20 in words? Why do traditional ways of to add and multiply numbers work? What percentage is 30 out of 52? What is the difference between beta and normal distribution? What can 428 be divided by? What do all machines have that is less than 100 percent? What is 45 percent of 650? What is the gas constant R for methane gas? What is Angle greater than 0 degrees but less than 90 degrees called? What is the least common multiple between 3 8 12 15? How many ft are in 275 inches?