The answer would be false.
Answer: C
Step-by-step explanation:
and 
Answer: 65 kmh
Step-by-step explanation:
70 kmh for 2 hours = 140 km.
63 kmh for 5 hours = 315 km
140 + 315 = 455/7 total hours = 65 kmh
Answer:
x=4, -5
Step-by-step explanation:
Factor and set each factor equal to zero