Write a variable expression for the amount of your budget after b books

Will mark brainliest. when ∆rst is translated 4 units down, what are the apparent coordinates of t’?

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).

Given abcd ac=38 and ae=3x+4 find the value of x