Which set of vertices forms a parallelogram?
A.
A(2, 4), (3, 3), C16,4), D5, 6)
B.
A-1, 1), B(2, 2), (5, 1), D14, 1)
C.
A(-5, -2), B(-3, 3), C3, 5), D(1, 0)
D.
A(-1, 2), 5(1, 3), C(5,3), (1, 1)
Billie holiday sells children's clothing for sara vaughn's toddler shop. baby blankets sell for $29.99 after a markup rate based on cost of 109%. find the cost and the markup.