The profits in hundreds of dollars, P(c), that a company can make from s product is modeled by a function of the price, c, they charge for the product: P(c) = -20c^2 + 320c + 5,120 . What is the maximum profit the company can make from the product?

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels

What is the measure of angle x? 37° 82° x°

Felix wrote several equations and determined that only one of the equations has no solution. which of these equations has no solution?