Answer:
4x+(-3y)
Step-by-step explanation:

- (-)(-)=(+)
- (+)(-)=(-)
- (-)(+)=(-)
- (+)(+)=(+)

Answer: 64 mph
We can see that after every hour, the car has traveled 64 miles. So the speed rate is 64 miles per hour.
Answer:
two
Step-by-step explanation:
The exact value of sec(60°) sec ( 60 ° ) is 2 .
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