Less then i really hope i helped
i know but yes i need to know it
Answer:
To find the mean absolute deviation of the data, start by finding the mean of the data set. Find the sum of the data values, and divide the sum by the number of data values. ... Divide the sum of the absolute values of the differences by the number of data values.
Fraction strips are rectangular pieces (electronic or copied on paper strips) to represent different parts of the same whole. They can be cut apart and manipulated to see how various parts can be added together to make the whole or compare different fractional amounts for equivalency
(3x)^3+3(3x)^2*-1 +3(3x)(-1)^2+(-1)^3 then simply that down to 27x^3-27x^3+9x-1