Arturo can have pizza for dinner on any three of the next seven days. how many different ways can he select the days on which to have pizza?

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

Divide. write in the simplest form. 4 1/6 divided by 10

In the diagram of circle o, what is the measure of zabc?