URGENT

Add 3x3 – 5x2 + x and 4x3 + 2x² - 4x using vertical format.

7x^3-3x^2-3x

hope this helps!!:)

Step-by-step explanation:

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.

66.666666667%

step-by-step explanation:

divide 150 by 100

divide 100 by 1.5

there you go!

decreased by 33.333333334%