Chess experts believe that the first 4 moves (in sequence ) can take place 197,299 different ways ( when totaled). it takes a half of a minute to make a single move how long do you think it would take a player to try every possible set of 4 moves?

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?

15 oranges weigh 3.75 kilograms (kg). if each orange weighs approximately the same, approximately how much does each orange weigh?