Answer:
20 years
Step-by-step explanation:
20 is the lowest common multiple of 5,4,2
There would be an open circle on positive 12 with the arrow moving to the right.
Answer:
3
Step-by-step explanation:
P is the in-center
⇒PA=PE=PD because they are in-radius of the in-circle
We know that, tangent segments drawn from a point outside the circle are always equal in length
⇒DK=EK=7.2
In right triangle PKE,
using Pythagoras' Theorem : 
⇒
⇒
⇒
⇒
Therefore, 
Answer:
60
The angle acute so my guess is 60
Hope this helps :)