I need help to solve please

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

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 sin(x) = 0 and cos(x) = 1, what is tan(x)?