6x+21+15-2x
4x+36
hope this helps...
Answer:
90 m
Step-by-step explanation:
65 km = 65000m
1 hour = 3600 secs
speed in meters = 65000/3600
= 18 m / sec
Distance traveled in 5 secs = 18*5
= 90 m
Answer:
its B.
Step-by-step explanation: just take half off the numbers, and then you have your answer. simple.