Discuss rigid transformations (reflections, rotations, translations) and the connection between these transformations and congruence. Show examples and include appropriate details when describing sequences of transformations that allow you to establish the fact that triangles are congruent.

Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?