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What is the solution of sqrt x+2-15=-3

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

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply