In a certain town, the probability that a person
plays sports is 60%. the probability that a person is
between the ages of 12 and 18 is 50%. the probability
that a person plays sports and is between the ages of 12
and 18 is 25%.
a) are the events independent? explain.
b) let s be the event that a person plays sports.
let a be the event that a person is between 12 and 18
find p(sua)

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

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%

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.