What is the equation of a line that is perpendicular to −x+2y=4 and passes through the point (−2, 1)?

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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%

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?