6.3120000 × 10^7 I’m pretty sure that the correct answer
74 units would be your answer for the length segment
X=3 y=1
2x3 = 6 and 3x1 = 3. 6+3 = 9.
Hope this helped!
The answer would be 3.5 or 7/2. If I interpreted your question correctly. Mark as brainliest?