Find the x- and y-intercepts of the line x - 3y= -9 a. (-9,3) b. x-intercept (0,-9); y-intercept (3,0) c. x-intercept (-9,0); y-intercept (0,-3) d. x-intercept (-9,0); y-intercept (0,3)

In the surface area formula for cylinders which expressionrepresents the lateral area

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).

1. what is the measure of ∠abc? what is the measure of ∠abd?