Find the coordinates of the vertices of each figure after the given transformation.
Rotation 180° about the origin
D(2, -1), C(1, 3), B(4, -1)
O D'(-1, 2), C'(3, 1), B'(-1, 4)
O D'(-2, -1), C'(-1, 3), B'(-4, -1)
O D'(1.-2), C'(-3,01), B'(-1,-4)
O D'(-2, 1), C'(-1, -3), B'(-4, 1)

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?

You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?