How do I find the volume of a pyramid with a right angle?

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).

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola