Dustin is three times as old as margaret. in 7 years he will be twice as old as she will be then. how old is she now?

Find the x-intercept and y-intercept of the line. 3x + 5y = −15

What is the y intercept of f(x)=(1/2)^x?

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%