Answer:
I believe that the answer would be 1/5.
Step-by-step explanation:
P=2l+2w
P=2(120)+2(90)
P=240+180
P=420
420 feet of fencing is needed.
Answer:
A Poisson distribution, with λ=5.3

Step-by-step explanation:
For this type of random variables, a Poisson distribution is the most adecuate.
If the number of occurrences in ten minutes is 5.3, we can define the parameter λ=5.3 and the probability function as:

Step-by-step explanation:
y = 5x^2 + 2x - 1
The maximum degree of polynomial is 2 expressed by 5x^2.
The min is -1.
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This would be 14137.17.
V=4/3 x π x r^3 = 4/3 x π x 15^3 ≈ 14137.16694