156 weeks old. Hope I helped!
If they are equal and there are 3 angles then 180/3 = 60
Answer:
79
Step-by-step explanation:
Order of operations GERMDAS
Grouping: no grouping
Exponents: 9²=81 so 6÷3+81-4
Radicals: no radicals
Multiplication: no multiplication
Division: 6÷3=2 so 2+81-4
Addition: 2+81=83 so 83-4
Subtraction: 83-4=79
Umm maybe if its ok if i can take a guess lol it might be 20