Determine the coordinates of the image of t(-2,9) under the following rotations.
1. (x, y) → (-y, x)
2. rotation 180° clockwise about the origin

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60