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Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

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.