plane 1 travels 395 miles in 1 hour
plane 2 travels 422 miles in 1 hour
together, they travel (395+422) 817 miles in 1 hour
to have 2451 miles between then, they'd need to travel

so in 3 hours, they'll be 2451 miles apart
The reflection across y axis of (x,y) would be (-x,y)
thus the answer is b
Please take the above picture for reference
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Answer:
false
Step-by-step explanation:
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Answer:
Its when you add angles together
Its when two angles are congruent
Step-by-step explanation: