Gitander works as a jewlery salesman, and is paid $800 per month, plus a commission of 5% on all his sales. If he sells over $60,000 in a month, he receives a bonus of an additional 5% on all sales over $60,000. How much money will Gitander earn in a month where his sales total $85,420?

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).

Quick translate "x is 12 units from 20" into an equation. what are the values of x being described? if you can answer any of my other questions that'd be great too

Simply 8x squared + 5(7x squared- x) - 2x =