You are building a model of a new roller coaster with a scale factor of 1/51. The model is 4ft tall. How tall is the actual roller coaster?

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).

Brent wants to know what is 5 x 1/2

What is the point-slope equation of a line with slope -5 that contains the point (6,3)