The supervisor of a community garden project organizes volunteers to dig out weeds. the more people they have, the more weeds get pulled. the results are better than one might think. although one person will pull only two bags a day, two people will pull five bags a day, and three people will pull eight bags a day.
the garden must be cleared of winter weeds. the supervisor estimates that there are 30 bags' worth of weeds to be pulled. how many volunteers are needed to get the job done in a day?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year the population of her town is changing by a constant rate

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Sara has 2 2/3 cup taco meat. she needs 1/6 cup to make one taco. how many tacos can sara make with the taco meat she has?