Answer:

Step-by-step explanation:
Please see the attached picture for the full solution.
Answer:
1.6 hours
Step-by-step explanation:
The 2 trains together are going 160 mph.
256 / 160 = 1.6 hours
Answer:
8
Step-by-step explanation:
y=f(x)=2^3
y=f(x)=8
Answer:
268
Step-by-step explanation:
2(2×6+2×2+2×6) + 2(4×5+4×10+10×5) - 2(2×2)
= 56+220-8
= 268 cm²
300.1 trillion US dollars ... :) could you follow me now?