Avendor has 16 balloons for sale: 8 are yellow, 3 are red, and 5 are green. a balloon is selected at random and sold. if the balloon sold is yellow, what is the probability that the next balloon selected at random is also yellow? (7 over 15) (7 over 16) (8 over 16) (8 over 15)

Pls super important solve the botton one

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?