A line with a slope of 1 and a y- intercept at 0,-3), would have an equation of: *

1. y = -3x + 1
2. y = x - 3
3. y=-3
4. y = 1/3

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).

Complete the steps to find 4.830 ÷ 5

Me i’m stuck on all these questions besides the two bottom ones