2. Write down the first two terms, the tenth term and sum oh first five terms of the following geometric sequence. a) Tn = 3^n-1

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

Using inductive reasoning, what is the next two numbers in this set? 1,-7,13,-19 i got the numbers 14,-26 is that right?

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18