Which of these is a statistical question? A. How tall is the Willis Tower?
B. How many times has Mark visited the Willis Tower?
C. How many people visit the Willis Tower each day?
D. How tall is Mark?

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point