PLEASE ASAP WILL MARK BRAINLIEST f(x)=(x+4)(x−2)(x−1) has zeros at x=−4, x=1, and x=2. What is the sign of f on the interval -4 is less than x is less than 1

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

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?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !