Use the measures from part1 to classify each triangle as acute obtuse or right explain each classification

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

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.