Solve by factorisation: 2x²+5x-12=0

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?

The hockey team has been great! in 2008 they won 20% more games than in 2007. in 2009 they won 50% more games than in 2008. what was their overall percentage increase from 2007 through 2009?