John saved money to have a party if he spends 2/8 of his money on food 1/5 of his money on prizes and 2/10 of his money on decorations estimate what fraction of his money he will have left explain

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?

When turned about its axis of rotation, which shape could have created this three-dimensional object?

How do i do this activity, is appreciated