Shape a is congruent to shape because a 180° rotation about the origin and then a translation unit(s) right maps shape a onto it.
shape b is congruent to shape because a 90° clockwise rotation about the origin and then a translation unit(s) left maps shape b onto it.

12.4, 12.387, 12.26, 12.252, 6.241, 6.2, 6.015, 6.009, 1.411, 1.2, 1.056, 1.007, 0.31,   0.13, 0.5, 0.04

step-by-step explanation:

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16.80 times .20= 3.36

step-by-step explanation:

a.for lorena 14 hours makes $126   for 16 hours she makes 144

for julie 6 hours makes $72 for 21 hours its $252

b. julie makes more money than lorena julie makes $12 an hour and lorena makes $9  

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