Which set of three numbers could be the side lengths of a triangle?

Which expression is equivalent to 2^4y^3

(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)

How can you find the mean absolute deviation (mad) for this set of data?