Answer:
parabola
Step-by-step explanation:
It is a observation study, because you are observing how much rainfall is in Hawaii at 50 sites.
Answer:
The diameter is 47
Step-by-step explanation:
Given
--- Circumference

Required
Determine the diameter (d)
The circumference of a circle is:

Make d the subject



Answer:
-4
Step-by-step explanation: