Answer:
(5x+13)+(3x+7)=180°
5x+3x=180°-7°-13°
8x=160°
x=160/8
x=20°
option C is correct
For 1 club it is 120 students
Step-by-step explanation:
360/3=120
First do your x2-x1/y2-y1 to find slope, which is 0-3/7-13 = -3/-6 = 1/2
Then plug into point slope form (choose either point)
(y-13) = 1/2(x-0)
OR
(y-7) = 1/2(x-3)