Answer:
Part 1) The area of the circle is 
Part 2) The circumference of the circle is 
Step-by-step explanation:
step 1
The area of a circle is equal to

we have
---> the radius is half the diameter

substitute


step 2
The circumference of a circle is equal to

we have

substitute


Answer:
Sorry im not ood at math so i cant help
Step-by-step explanation:
Answer:
4/2, 2/7, 1/2, 5/6 is your answer
Answer: 789.39
Step-by-step explanation: Just subtract 89.51 from 878.9.
Mark Brainliest if this helped!
Answer: C
since the line isn't straight, the slope/function is decreasing but not at a constant rate