In brock's class of 25 students, 15 students report that math is their favorite class and 40% of the students report that science is their favorite class. show your work to explain how to determine whether more students prefer math or science.

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