Natasha spends nine dollars for supplies to make necklaces that she sells for two dollars each. her profit is given by the expression 2n-9. what does the variable n represents

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

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50 points~ ! i have to turn this in tomarrow