Prove graphically and algebraically that a clockwise rotation of 270° about the origin has an equivalent counterclockwise rotation. in your final answer, name the equivalent counterclockwise rotation and show all of your work. on your graph, label the following: 1. parallelogram park and the coordinates of all four of its vertices 2. parallelogram p'a'r'k' and the coordinates of all four of its vertices 3. center of rotation and its coordinate 4. the invisible circle of rotation, its radius and the length of the radius 5. use arrows to show the clockwise movement of the parallelogram

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.

What is ha theorem a special case of?

Nina has prepared the following two-column proof below. she is given that ∠oln ≅ ∠lno and she is trying to prove that ol ≅ on. triangle oln, where angle oln is congruent to angle lno step statement reason 1 ∠oln ≅ ∠lno given 2 draw oe as a perpendicular bisector to ln by construction 3 ∠leo ≅ ∠neo transitive property of equality 4 m∠leo = 90° definition of a perpendicular bisector 5 m∠neo = 90° definition of a perpendicular bisector 6 le ≅ en definition of a perpendicular bisector 7 δole ≅ δone side-angle-side (sas) postulate 8 ol ≅ on cpctc nina made two errors in the proof. identify and correct the errors.