The digits of a two-digit number differ by 3. If digits are interchanged and the resulting number is added to the original number, we get 121.
Find the original number

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?

What is the solution of the systems of equations? y=2/3x+3 x=-2

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?