Apublishing industry report predicts that magazine subscriptions will drop by 10% each year. if this prediction is correct, then how many subscribers will a magazine with 47,000 subscribers have in 9 years

4+6x-3x^3 in standard form with explanations because i don’t understand

What is the solution to the equation 9^(x+1) =27

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?