Joe's test grades in History class are: 92, 81, 85, 89, and 90. Tests count as 80% of the final grade, and the final exam counts for 20%. What is the minimum score Joe can get on the final exam and average

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.

What is the volume of this container?

Factor the polynomial. b^2 + 4b + 4