An emergency operator reported that image of the calls she received were requests for the police, 15% were requests for the fire department, 40% were requests for paramedics, and the remaining image were requests for all three services. According to the operator, which of the following is requested most often?

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).

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Write the equation in logarithmic form m^x=n