10 teams enter a soccer tournament. In the first round teams paired in 5 pairs to play with each other.
Assume that now in each match one of the teams marked as "HOME" and the other "AWAY" and first 5 games need to run one after another. How many different pairings are possible to create?

Is the square root of 4 plus the square root of 16 rational?

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2xdesmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges