You bought 4 boxes of pens. after you gave your friend 8 pens, now you have 112 pens left and they all have to fit in 4 boxes, how many are in each box?

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

Which of the binomials below is a factor of this trinominal? x^2-13+30

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?