Answer:

Step-by-step explanation:

Hope this helps.
Answer:

Step-by-step explanation:
This is just a perfect square
Answer:
By excluding (10, 15), a better description can be given for the data set.
Step-by-step explanation:
Overall, this data seems to suggest a decreasing trend. The value (10, 15) is an outlier; if we remove it, the trend appears to be stronger. Thus if we exclude this value we can give a better description of the data set.
Answer:
h=A-2πr2/2πr
Step-by-step explanation:
Answer:
Step-by-step explanation:
Bấm máy tính hệ phương trình là ra