Ariana invests $900 in one account and $1300 in an account paying 4% Her er year she had earned $162 in interest. At what rates did she invest?
5900 invested at
$1300 invested at

H(x)=4x2-5x h(-3) what is the answer?

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?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?