40 students are attending an afternoon club. Every student chooses to play checkers, a two-player game, or four-square, a four-player game. All 40 students are playing either checkers or four-square.
Complete this table showing some possible combinations of the number of each type of game
being played: (2 pts)
a.
checkers games (x)
Four square (y)
0
10
9
6
12
8

If i have 20$ and i gave 5$ away how much i got

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

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 - 2x