Find the following trigonometric values.
Express your answers exactly.

What numbers are included in the set of integers? what numbers are not included?

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?