How many spell and trap cards should be in a deck

True or false? a triangle can be circumscribed about a given circle

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

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b