Which set of vertices forms a parallelogram?
A. A(2, 4), B(3, 3), C(6,4), D(5, 6)
B. A(-1, 1), B(2, 2), (5, 1), (4,1)
C. A(-5, -2), B(-3,3), (3,5), D(1,0)
D. A(-1,2), B(1, 3), C15, 3), D(1,1)

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score