U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10), A = {2,4,6,8,10),
B = {1,2,3,4,5),

find (AUB)'

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).

The table represents a linear function. what is the slope of the function? –6 –4 4 6

What is the prime factorization of 230