Can someone please solve this first correct answer marked brainliest

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).

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

For which pair of functions is (gof)(a)=|a|-2?