Which equation describes the proportion: the number of chickens (c) is four times as many the number of horses (h) on the farm.?
a) c = h4
b) h = 4c
c) c = 4h
d) c = 4 + h

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

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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)