Sam has 8 less than twice the number of books that joe has. if sam has 54 books and joe has f books, which statement represents this situation?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?

Point m is located at (-4, -6). what is located 4 units from point m? ( its on a coordinate plane by the way. )