Answer:


Step-by-step explanation:
The sum of the interior angles of a triangle is 180 degrees.




Use the exterior angles theorem to find y.
The exterior angle y is the sum of the two remote interior angles:
The sum of angles on a straight line is 180 degrees.



Answer:
Step-by-step explanation:
Frequency of Section 1 is 28 and total number of frequencies is 80.
- P(Section 1) = 28/80 = 7/20
I need to see a picture of the marbles to answer this question
You divide it and the answer will be less