The square below has an area of r2 – 10x + 25 square meters.
What expression represents the length of one side of the square?

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

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Agallon of apple juice cost $7 a pack of eight 4.23oz box of apple juice $2.39 which is a better deal