Use a special product pattern to evaluate I'm pretty sure I just normally solve it but I have no darn clue

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).

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation