Lewis paid $13.55 for a beach chair and $5.75 for a book. how much did lewis spend? $7.80 $18.20 $19.20 $19.30

Is every rectangle is a parallelogram? true false

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

If chord ab is congruent to chord cd, then what must be true about ef and eg?