A pond is being filled by two water lines. The first water line can fill the pond in 2
hours. When the two water lines are used
at the same time, it takes 1., hours to do
the job. How long does it take to fill the
pond using only the second water line?
Give the answer in hours.

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%

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30