15. true 16. false in my coculations.
Answer:
3(x+2)
Step-by-step explanation:
3x+6
Factor out 3.
3(x+2)
Answer:
A. t(x) = 450 - 0.06x
Step-by-step explanation:
The layer which is originally 450 m thick is decreasing by 0.06 m.
450 - 0.06
... per day. x represents days.
0.06x
So,
450 - 0.06x
The correct answers are A and D
