Which term describes the collection of all points in a plane that are the same distance from a given point in the plane

Klein read 30 pages of a book on monday and 1/8 of the book on tuesday. he completed the remaining 1/4 of the book on wendesday. how many pages are there in the book?

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?