The correct answer is D.
T(x, y) = (x + 1, 3y) is telling you what to do to each point.
Answer: 18
Step-by-step explanation:
By the angle bisector theorem, 
Answer: 8x + 6a
Step-by-step explanation: Combine your "x" terms and your "a" terms.
So 3x + 5x is 8x and 2a + 4a is 6a.
So the answer is 8x + 6a.
Answer:
(-3.5,1)
Step-by-step explanation:
There are 7 boxes between A and B. So I figure if you take 3/4 of 7 is about 5.