A right cylinder has a radius of r inches and height of 2r inches

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).

What is the best reason for jacinta to have a savings account in addition to a checking account

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?