Which equation is equivalent to square root x^2+81 =x+10

  x² +81 = x² +20x +100

Step-by-step explanation:

Square both sides of the original equation:

  (√(x² +81))² = (x +10)²

  x² +81 = x² +20x +100

answer: its because of life

step-by-step explanation: i dont know

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.