What rotation was applied to triangle def to create d’e’f’?

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?

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.