Which function has real zeros at x = 3 and x = 7? O fx) = x2 + 4x-21
O fx) = x - 4x-21
O fx) = x2 - 10x + 21
O fx) = x2 - 10x - 21

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%

How do you solving the solution of each system using elimination?

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30