If ab is parallel to cd which statement must be true?

Find the balance at the end of 4 years if 1000 is deposited at the rate of

With: label the vertices and all the elements needed. find x

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes