Solve 2x+y=2 and 3x-2y=-11 by elimination

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

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?

In the triangles, bc =de and ac fe. if the mzc is greater than the mze, then ab isdfelth