Algebra 2. mean. standard deviation.

Need on this one asap im almost done with this subject

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.