examples of shapes with no line of symmetry.
--= ++= -+= +-=
Express 4/-7 as a equivalent rational number with denomenator.
(1)84 (2) -28
What letters of the English alphabet have reflectional symmetry
(i.e., symmetry related to mirror reflection) about.
(a) a vertical mirror
(b) a horizontal mirror
(c) both horizontal and vertical mirrors
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