Frank works in the supply room of a law firm. at the beginning of the month, he had 21 boxes of pens with 13 pens in each box. at the end of the month, there were 45 pens left. how many pens did he give out over the month?
a.
273
b.
318
c.
228
d.
79

Which statements are true about box plots? check all that apply. they describe sets of data. they include the mean. they show the data split into four parts. they show outliers through really short “whiskers.” each section of a box plot represents 25% of the data.