The distance is 3.16 (label whatever is appropriate)
It does not matter which he does first. Either way, zero pairs will be created on both sides, which will isolate the variable to determine x<span>. Adding the </span>x<span>-tiles and then the unit tile, or visa versa, will give the same solution.</span>
Correct.
PB is twice that of PA
So QC must be twice that of QA
The triangles are similar triangles.
Nope. its y=3x-1. the y intercept is -1, so we put that at the end. And if we take 2 points on the line and use y/x, we get 3/1 or 3, and this is our slope. Also the line is going up so its not negative
Perimeter would be affected by the same scale factor, in this case 2. perimeter only has 1 dimension.
Answer: increas by a factor of 2
