Factor completely. m4 - n4 (m^2 + n^2)(m - n)^2
(m^2 - n^2)(m + n)(m - n)
(m^2 + n^2)(m + n)(m - n)

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Why does the shape of the distribution of the weights of russet potatoes tend to be symmetrical?