If 8.31 \ 2.3= 3.7 find the value of 8.31 / 2.3

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).

The volume of a cube is 8 in to the 3rd power. how long is each side?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x