[PICTURE ATTACHED] HELLLPPP! i already know the first one, but what the answer for the other two.

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !