Start with Chanel’s sequence. How does a 90 degree counterclockwise rotation about the origin change the coordinates of a shape?

Harry’s soccer team plays 2 nonconference games for every 3 games that they play against conference opponents. if y represents the number of nonconference games and x represents the number of conference games, which equation best models this proportional relationship? a)y=2/3 x b)y=3/2 x c)y = 2x d)y = 6x

Evaluate cos2θ for cosθ = square root of 3/2

Combine like terms to make a simpler expression 3z+z