Answer:
B.
Step-by-step explanation:
First angle 1 and 2 add up to 180 and then angle 2 and 3 also add up to 180. So angle 2 is common hence both are congruent to each other.
Answer:
D) 
Step-by-step explanation:
We have been given four choices.
A) 
B) 
C) 
D) 
Now we need to find about which of the above choices is a sum of cubes.
Basically we need to check which one of the given choices can be represented in cubic form along with addition sign.
3 and 9 can't be written in cubic form unless we use radical numbers.
So the only choice left is D)
D) 


which is clearly visible as sum of cubes.
Answer:
line dancing, square dancing, etc
Step-by-step explanation:
The first and the third ones is true