For 2x5 –5x3 + 12 = 0, state the number of complex roots, the possible number of real roots, and the possible rational roots.

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

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