What are the zeros of y = (x + 14)(x + 9)(x - 1)?

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).

Write the equation in logarithmic form e^x=403.429

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd