Use the quadratic formula to determine the solutions to the quadratic equation Write your answers as decimals, and round to the nearest hundredth (2 decimal spots).
X² – 2x – 4=0

Free 100 points to whoever says “oof the porridges” if it’s not exact, your answer will be reported, first person gets 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).

Solve the given system of equations. 2y= -x+9 , 3x-6= -15