Is 7/3 rational or irrational

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

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%

What is the solution set of the quadratic inequality x^2-5< or equal to 0