According to Vieta's formula, if

are solutions of quadratic equation

, then:

In our case:
78/13 convert to decimal
6 eggs per hen per week
<em><u>Answer:</u></em>
The radii are OA , OB and OC
<em><u>Explanation:</u></em>
<u>The radius of the circle</u> is defined as the line joining between the center of the circle and a point that lies on the circumference of the circle
<u>In the given circle:</u>
The center is "O"
The three points that lie on the circumference are A, B and C
<u>Based on the above definition, the three radii would be:</u>
OA, OB and OC
Hope this helps :)
I got 1/12th left
I changed all of the fractions to twelfths
4/12
6/12
9/12
16/12
James and Katya ate 10/12 of a sandwich
Ramon ate the last 2/12 and 7/12 of the next sandwich
Sianna ate the other 5/12 and 11/12 of the 3rd sandwich
So that means 1/12 is left
I hope that helps and you get it right