Consider the right triangle below.
5x - 3
2x + 7
x + 4
if the perimeter is 40 units, find the value of x and the area
of the triangle.

How do i do this? i don’t understand

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

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