Find the thirtieth term of the following sequence.

-6, -4, -2, 0, ...
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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?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?