Ago-kart speed is 607,200 feet per hour. what was the speed in miles per hour

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%

If 3x+8=3x+8 is it one solution or no solution

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1