Recall that the decibel level of a sound with intensity I is given by the formula D = 10 log10(I/I0), where I0 is some reference intensity. At a concert, the intensity of the sound suddenly drops to one tenth of its previous value. What happens to the decibel level?

Item 8 an account earns simple interest. $700 at 8% for 6 years a. find the interest earned. $ b. find the balance of the account. $

We just started the introduction into circles and i have no idea how to do this.

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?