97 is the nth term of the sequence, -3, 1, 5, 9 find the nth term

For how answer my question this will be the last question can you answer in math subject

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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