Apack of cinnamon-scented pencils sells for $5.00. what is the sales tax rate if the total cost of the pencils is $5.25?

Ineed with number 17 i don’t get it at alll

The triangles are similar. what is the value of x? show your work.

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.