Determine the length of un and sn if fa=5 inches su=11 inches ar=9 and fr=7

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

12. decide whether each statement is always true, sometimes true, or never true. a. when corresponding points of an original figure and its reflection are connected, the resulting segments are all perpendicular to the line of reflection. b. when a point is reflected over a horizontal line, the y-coordinate of the point stays the same. answer both questions and explain

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y