Ryan bought 12/16 pounds of peanuts. what is the simplest form of 12/16

Which statements are true? see picture

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

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?