John has 2,456 pennies in his coin collection. he has the same number of pennies in each of 3 boxes. if you estimated to the nearest hundred what are the number of pennies in each box? // having trouble on what the bottom half means? !

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15