Math word problem,
thank you!

You estimate that a kitten weighs 8 pounds the actual weight of the kitten is 6 pounds what is the percent error rounded to the nearest hundreth of a percent

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).

What is the vertex form of f(x) = x2 + 6x + 3