Orders of operation Practice
(5^2x 2) x 2 -12

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.

This is about circle theorems. someone asap : (

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.