Arock falls to the ground 400 feet below, the distance the rock falls in t seconds is given by the equation d(t)=-16t to the power of 2 +400 how long does it take for the rock to hit the ground

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

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%

How can you construct perpendicular lines and prove theorems about perpendicular lines