What is the value of b 2 - 4ac for the following equation?

2x^2 + 3x = -1

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

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%

Which value of y will make the inequality y< -1 false?