How can you tell if an object has the golden ratio or fibonacci sequence?

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Pls never taught i’m really confused and i rlly need