Liana started to evaluate the function f(x) = 2x2 – 3x + 7 for the input value 2.

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?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

X+ y = 5 ; x - y =3 solve using linear combination