Circle C is shown. Line segments A C and B C are radii. The length of C B is 18. Angle A C B is 140 degrees. Arc A B is labeled s. What is the measure of the central angle? ° What ratio represents the measure of the central angle compared to the measure of the entire circle? If s = StartFraction theta Over 360 degrees EndFraction (2 pi r), what is the length of minor arc AB? π

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

The table above shows approximate conversions from gallons to liters. what is the value of x?

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.