"an acute angle is an angle smaller than a right angle." what does the above statement represent? a. undefined term b. theorem c. postulate d. definition

Describe all the numbers that when rounded to the nearest thousand are 645,000

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

Somone me i want to know what 18 hours out of 24 hours in a fraction