Robin used 1/4 of a pound of butter to make a cake. before she started, she had 7/8 of a pound of butter. how much butter did robin have when she was done baking? give your answer as a fraction of a pound.

Use the distributive property to factor the expression. 15x + 6 a) 2 5 b) − 2 5 c) 3(5x + 2) d) 5(3x + 6)

Based on what i know about mean, this doesn't add up.

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?