Giving BRAINLIEST to correct answer

What is the difference between regular convex and concave polygons

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

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.