AWARDING 30 POINTS HELP MY EXAM STARTS SOON AND I NEED TO KNOW HOW I GOT THIS ANSWER ILL GIVE BRAINLIEST

If the variance of the brain volume data is 17,689cm^6, what is the standard deviation? Answer is 133 how did they get that??

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

3382-299=3383- ? fill in the blank?

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.