What is the volume of the cone? height 21 radius 4

Could someone me with this question i’ve been stuck on it for 20 minutes

Is a square always, sometimes, or never a parallelogram

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.