Before he went to the toy store, david had 13 toy cars. for the next 5 weeks he buys n number of cars each week. which algebraic expression represents how many toy cars he has at the end of five weeks?

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

Which function has the domain x> -11

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.