Answer:It's D
Step-by-step explanation:
1 times 12 equals 12
2 times 12 equals 24
3 times 12 equals 36
The expression:

gives the distance traveled by the aircraft in t hours, so, for t = 6:
Answer:D. 2(3x-5)^2
Step-by-step explanation:
18x^2-60x+50=2(9x^2-30x+25)