A line passes through the points (4,21) and (9,26). Write a linear function rule in terms of x and y for this line

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 tt of tokens james has is a function of gg, the number of games he plays

What is the value of x in the this question ?

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i