Evaluate 1/3m - 1 - 1/2n when m=21 and n=12

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.

you have to put the graph on here with the question

step-by-step explanation:

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.