You did not attach anything to go with it, but the independent variables are always the x values, and the dependant variables are always the y value. To find to slope do rise/run.<span />
3 times 3 and 3 to the second power
When 3.999 is rounded to the nearest hundredth, tenth, or whole number, it becomes 4.000 in any case.
1,025. Multiply 55 by 15, then add the $200 fee. I hope this helps :)