Find the nth term

1, 5, 9. 13, 17

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.