Answer:
3.14
Step-by-step explanation:
First find the circumference of the circle:
= Circumference.
= 
Find the ratio of the angle in relation to the entire circle:
is what we have. So:

Use the ratio and multiply the circumference to find the length:
= 
Round answer to the hundredth:
A
plug in x = -1 to both sides and you get 1 as the answer for both sides.
The answer is D. The grand total for 12th graders is 68. Divide the 28 students in 12th grade who prefer math by the grand total to get you a rounded answer of 0.412.
Answer:
First blank: 5
Last blank: 20
Step-by-step explanation:
Going by the hint that is shown:

c = 1
r = 5
and

c = 4
r = 20
Hope this helps!
The answer to this question is -1/4 or 0.25