If the m< 5 is 63°, find the measure of < 3

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 solution to this system of equations? y= 2x - 3.5 x - 2y = -14

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?