The radius of a sphere is expanding at a rate of 70 cm/min. the volume of a sphere is = and its surface area is . determine the rate at which the volume is changing with respect to time at =2 min, assuming that =0 at =0.

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

Which choice names the hypotenuse of triangle xyz? a. segment yx b. segment yz c. segment ab d. segment zx

Meee i honestly dont know what this question talking about