Plzzz help failed it 3 times already what is the answer to the following question:

Which could be the first step in simplifying this expression? Check all that apply.(x^3x^-6)^2

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.

step-by-step explanation:

if you meant, "on the way from (3, 2) to (3, 14):

x does not change; y increases by 12.

ensure that you have copied down this problem correctly.   .

$15 each

step-by-step explanation:

$45/3 children= $15 each