What is the arc length of arc cd in the circle below?

What is the answer to |-2x-5|-|-4+8| and x=7

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.

Write the equations in logarithmic form 7^3=343