Hey can somebody me? i know it seems easy but i forgot the process on how to do this. in advance! 1 1/2 - 1/2 = show your work so i understand

If i have one apple and give you the apple, how many apples do i have?

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

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers