Write 23/7 as a mixed number

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

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.