A company sells a container of mixed nuts that is 12% peanuts and another container that is 60% peanuts. How many cups of each mixture would be needed to make 12 cups that is 40% peanuts? a) 4 cups of the 12% peanuts and 8 cups of the 60% peanuts
b) 8 cups of the 12% peanuts and 4 cups of the 60% peanuts
c) 5 cups of the 12% peanuts and 7 cups of the 60% peanuts
d) 3 cups of the 12% peanuts and 9 cups of the 60% peanuts

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 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)