Gregg manages a small cleaning business. He has 19 employees. The cleaners get paid ​14$ per hour. The cleaning supervisors get paid ​18$ per hour. His budget has set aside a payroll expense of ​$290 per hour if all of his employees are working. How many cleaners and how many supervisors does he​ employ?

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).

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

What is the solution to the equation e3x=12? round your answer to the nearest hundredth