Answer:

Step-by-step explanation:

Convertir elemento a fracción: 1 = 1/1

Mínimo común múltiplo de 1,5,3 = 15
Ajustar fracciones según el mcm

Dado que los denominadores son iguales, combine las fracciones:

Sumar Restar los números: -15 + 21 + 10 = 16

Answer: A
Step-by-step explanation:
I think the answer is C, but I don't even understand you're question is. do you want to know the mph they were going? if so then your answer is C
Answer:
6 and 7
Step-by-step explanation:
lol just use a calculator ツ
Answer: 2. Linear pair postulate
4. 60 + mACB=180
5. mACB=120
6. definition of obtuse angle