Which sequence of transformations produces r’s’t’ from rst? a 90 degrees clockwise rotation about the origin and then a translation 2 units left a 90 degrees counterclockwise rotation about the origin and then a translation 2 units right a translation 2 units left and then a reflection over the y-axis a translation 2 units right and then a reflection over the x-axis

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.