If x is the set of negative numbers and y is the set
of positive numbers, then the union of x and y and
0 is the set of
(a) all real numbers
(b) all integers
(c) all rational numbers
(d) all irrational numbers
(e) all odd integers

Which of the following statements is not true? a. parallel lines are lines in the same plane that never intersect. b. congruent figures have the same shape and same size angles and sides. c. similar figures must have the same shape and the same size. d. a rotation is when you turn a figure around a certain point.

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Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.