X 2x+1 y (x, y) 1 2(1)+1 3 (1,3) 2 3 2.- x 2x y (x, y) 0 1 2 3.- x x+4 y (x, y) 1 1+4 5 (1,5) 2 3 4 4.- x x/2 y (x, y) 0 0/2 0 (0,0)

which expression represents the approximate length of bc?

step-by-step explanation:

cheater

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.