Select the correct answer. Which equation is equivalent to the formula below?
y = a(s - )2 + b
ОА
- (x - k)?
* = +/- + - h
OB
OC.
a
n?
OD. b = y + (x - 1)?

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

What is the product? (x2+3y+7) [yy+1)

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?