You Sold 2 adults tickets and 2 children tickets together you had a profit of 20 dollars and reminder of 1 dollar because 21 is a odd number
B. Shows lest Variability.
A) is constant, C) is Constant, D) is constant but with and addition of 20 and remaining
He is at 70 feet above sea level. -30+100 is 70.
That is really easy how don't you know