Aball is thrown at 14.7 m/s from the top of a 88.2 meter tall building. the equation for the balls height s at time t seconds after the ball is thrown; s(t) = –4.9t2 + 14.7t + 88.2. how many seconds does the ball take to hit the ground?

How do you find p(a and b) if a and b are independent events for two or more actions, such as tossing a coin twice and finding p(heads and heads)? 2. how do you find p(a or b) if a and b are independent events for one action, such as spinning a four-color spinner once and finding p(red or blue)?