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i got these wrong and i want you to correct it

Use the distributive law to multiply. 3(4x + 5y + 6)

Find the area of an equilateral triangle with a side of 6 inches

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.