In the diagram below, AB || CD, AD || BC, m ABC = 106°, mZVEE = 36° and mCCB= 42°. Find m DEC.

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).

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if