Write a situation in which positive and negative numbers are used to describe values that have opposite meaning. what does 0 represent in this situation you created? (4 points)

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).

Triangle abc is reflected over the line y=x triangle abc has points (-6,-,-1) and (-5,-6) what is the c coordinate

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?