The altitude of a triangle is increasing at a rate of 2.5 2.5 centimeters/minute while the area of the triangle is increasing at a rate of 1.5 1.5 square centimeters/minute. at what rate is the base of the triangle changing when the altitude is 8 8 centimeters and the area is 84 84 square centimeters?

Adairy farmer accidentally allowed some of his cows to graze in a pasture containing weeds that would contaminate the flavor of the milk from this herd. the farmer estimates that there's a a 9 9% chance of a cow grazing on some of the flavorful weeds. (a) under these conditions, what is the probability that none of the 16 16 animals in this herd ate the tasty weeds? (b) does the poisson model give a good estimate of the probability that no animal ate the weed?