A person observing the tennis ball throw exclaimed, “That ball must have gone 18 feet in the air!” They wrote the equation 18= -16x2+16x+12 to represent the time in seconds it would take for the ball to reach 18 feet in the air.

Solve the equation 18= -16x2+16x+12 for x.​

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%

Jonah buys a television that costs $445. sales tax in his state is 7 percent. which of the following expressions represent the amount of tax on the television?

F(x) = 2x + 1? h(x) = x – h(x) = x + h(x) = x – 2 h(x) = x + 2