I think the answer is A,B, and D.
Where these the answers?
Step-by-step explanation:
Circumference of a circle is 2piR
C=2piR and R=10
C=2(3.14)(10)
So the circumference is 62.8 cm
1/2 of 40= 20
40/5=8
20+8=28
28 of your CDs will not work properly.
I hope this helps!
Answer:
43
Step-by-step explanation:
you change the 1 hour into minute you and 60min to 25 minutes and then you subtract from 42 minutes to get the solution