PART C: if DB=9 AND DC=4, find the length of segment DA. NEED HELP ASAP

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red