(x-4)^2-28=8 solve using the perfect square method
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answer: two angles are called supplementary if they add up to 180°. example: the two angles (140° and 40°) are supplementary because they add up to 180°.

step-by-step explanation:

160 cm

step-by-step explanation:

you have to add all the sides together

12 cups   is the answer

step-by-step explanation:

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