Answer:
angle c: 28.5°
angle a: 123°
Step-by-step explanation:
Answer:
s = 
Step-by-step explanation:

so:


A = 60
Therefore:
s = 
Answer:
double plus two , two apart facts make ten extended strategy is used.
Step-by-step explanation:
Sum of 5 + 7 = 12 less two = 12; OR to make 10, I need to take 3 from the 5, add it to the 7 to make 10 and that leaves 2 from the 5. I add the 2 to the 10 I now have and that = 12.
Answer:N=6
Step-by-step explanation:Hope this helps:)