Can somebody please help me?! Thank you!

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Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?