Answer:
137
Step-by-step explanation:
The answer is d.
Remember open circle means that it cannot be equal to that value while closed circle means that it can be.
Answer:
2. 
Step-by-step explanation:




X=12 is the answer, i have done this question before, hope i helped.
Yo sup??
total distance travelled by Janae =sum of distance on the 2 semicircles+ sum of the distances on the 2 track
=2πr+2*l
l=3 miles
r=1 mile
So,
total distance=2*3.14*1+2*3
=6.28+6
=12.28
=12.3 miles
Therefore the correct answer is option D
Hope this helps