s = 1800°
To find the sum of interior angles in a polygon you can use the following equation

If this helped you a Brainliest would be appreciated!
Do you have a photo or something?
Move the decimal point 2 to the left
Answer is .26
-6x is the answer hope it helps
I'm not entirely sure but it should be (3/5) together. For pen the probability is (5/20) and for crayon is (12/20) add them equals (12/20) simply equals (3/5) HOPE IT HELPS