Which transformation will always map a parallelogram onto itself? a.) a 90° rotation about its center b.) a reflection across one of its diagonals c.) a 180° rotation about its center d.) a reflection across a line joining the midpoints of opposite sides

Rotating a parallelogram onto itself will always map the figure onto itself, So your Answer is C

the range is 19

step-by-step explanation:

the range is biggest number minus the smallest, so in this case it would be

41 - 22 = 19

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step-by-step explanation: