East brunswick high school has 1200 students. a sample of 240 students was selected to study the average monthly income of students. since sample size is greater than 30, how much error would you expect in finding the average income of all students

Which value is not a solution of 8x^3 – 1 = 0

Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?