Which system is the only inconsistent system? 1. y = 2x - 3
2y = 4x - 6

2. y= X
y=-x

3. y= 4x - 3
y = 4x + 3

4. y=x+4
y = 2x + 4

What is the common difference in the following arithmetic sequence? 7,3,-1,-5

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Which best explains why this triangle is or is not a right triangle ?