What is the value of a in the equation 5 a minus 10 b equals 45, when b equals 3?

If f(x) = 3-2x and g(x) =1/x+5 to what is the value (f/g)(8)

Which linear inequality is represented by the graph? !

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%