total distance travelled=72+69=141
time taken in hours for journey= (48/60)h + (69/60)= 1.95 h
average speed=141km/1.95h= 72.3km/h (3 sf)
50cm = 0.5 meters ,so he will need 32 sections
Answer:
The answer is D.
Step-by-step explanation:
You have to apply Indices Law,

So for this question :



Answer:
D: 6y+3+5y-2
Step-by-step explanation:
6y+3+5y-2 = 11y + 1
All the other expressions evaluate, after simplification to 11y+5
Answer:
55
Step-by-step explanation:
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