Match the following items by evaluating the expression for x=-3.

x^-3 1/9,-3,-1/3,9,1

x^-1 -1/3,1,9,1/9,-3

x^0 -3,9,-1/3,1/9,1

x^1 1/9,-3,-1/3,1,9

x^2 -3,1,9,1/9,-1/3

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

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%

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?