11 times 12 equals 10 plus 1 times 10 + 2 what property does this demonstrates

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

Ihave trouble finding the nth term of a linear sequence

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have