If you know the power rating of an appliance and the current the appliance uses, you can calculate the voltage of the line it is attached to by

An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75

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What occurs during a combustion reaction