The product of a constant factor 15 and a 2-term factor x+4 simplify, then determine what type of polynomial is the following? show all work (4x3-2x-= +5x+3)

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

Ihave trouble finding the nth term of a linear sequence