In a chess match, a win counts as 1 point, a draw counts as 0.5 point, and a loss counts as 0 points. after 21 games between the two players, the winner was 8 points ahead of the loser. how many points did the winner have?

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

Write the expression 7x^3-28xy^2 as the product of 3 factors

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?