49 is a square of 7 and 4 is a square of 2. To get 45 you need to subtract 7² and 2². Therefore, its the difference of squares.
192 possible plain sandwiches can be made because you would do 4x6x8 which equals 192.
The answer to that is 2.1
This would be 1,711,596.
hope this helps!
F(x) = -5/6x - 3
You can get this by identifying the y-intercept and then using the formula for slope given any two points on the graph.
