Answer:
a is 3,2 b is 1,-2 and c is -2,1
Step-by-step explanation:
u take the first number then you just put em together
Answer:
It is similar to a mountain in that it is dramatically higher than what is immediately around it. But mountains usually have a distinct apex or peak that is very small relative to the base and not typically level. Plateaus and mesas have tops only a little smaller than the base, and relatively flat. If the aspect ratio is less than 1, plateau. If greater than 1, mesa.
Step-by-step explanation:
1.
A ray starts out at a point and continues off to infinity.
Symbol of the ray with a beginning point in X and passes through point Y is:

Therefore your answer is 
2.
Symbol of a line passing through points A and B is:

Therefore your answer is 