Pls me asap for 12 and (must show ! ) + lots of !

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.

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.