Rationalise the denominator and simplify 10 over 3 root 5

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

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%

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?