Which of the following equations is quadratic?

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 unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x