Austin remove three fish from his pond each day for 15 days what was the total change in the number of fish in the pond

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).

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

The only way to identify an intercept is as an ordered pair. true false