For a game show, a contestant will be asked to select three months at random. what is the probability that a contestant will select march, july, and november in any order?
how do i show my work/work out the problem?

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'