Please answer this - i'm so desperate!

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.