An object moves in simple harmonic motion with amplitude 13 and period 3 minutes. At time t=0 minutes, its displacement d from rest is 0 m, and initially it moves in a negative direction.

If wxyz is a square, which statements must be true?

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?

What is the 8th term of the geometric sequence with this explicit formula? an= )(n-1)