What is your average speed if you drive 100km south and then 130km east and it takes 3.25 hours give your answers in km/hr and ft/sec

Solve 3x-18=2y and 5x-6y=6 by elimination show work

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)