PLEASE HELP I'M TAKING A TEST
ab and cd bisect each other at k prove that ac II bd

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

Can someone me with this problem i don't understand i need

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?