If you know that 7- square root of 5 is a root of a polynomial function, then the name given to 7+ square root of 5, which is another root of that same function, is the radical___?

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?

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

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