HeLPPP The equation y- 7/2 = 1/2 (x-4) is written in point slope form what is the y-intercept of the equation
A: - 11/2
B: -1/2
C: 1/2
D: 3/2

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).

Which of the following is the true for f(x) = 5cos

Solve the equation for x.3(6x - 1) = 12 i've tried doing the math and i can't find out what i'm doing wrong