Ahiker starts at an elevation of 65 feet and descends 30 feet to the base camp. what is the elevation of the base camp?

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.

Find the distance between (7,-6) and (-3,-9)

What is the value of the product (3-2i)(3+2i)?