Hit link will take you to my question, I have been stuck on it for about 30 minuets as I know I have the right answer but its not taking it.

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"