Answer:
...
Step-by-step explanation:
I think the mean of variable a is 4
Answer:9000
Step-by-step explanation:
Answer:
201.1 km²
Step-by-step explanation:
Surface area of the figure,
4πr²
= 4×π×4²
= 64π
= 201.1 km² (rounded to the nearest tenth)
Answer:
30
70
5 (5 nickels for every 1 quarter)