Please help me answer this question its due tomorow and its a test

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

20 ! jason orders a data set from least to greatest. complete the sentence by selecting the correct word from each drop-down menu. the middle value of the data set is a measure and is called the part a: center b: spread part b: mean a: mean absolute deviation b: median c: range

What are the solutions of the following system? y=-2x^2 y=x-2