A parabola has a vertex at (-1,0) and opens down. What is the equation of the parabola? A. y=-(x + 1)^2
B. y=-x^2-1
C. y -(x-1)^2

Which function is represented by the graph

Answer this question only if you know the answer! 30 points and

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%