A.A is your best answer
A vertex is "the apex" of the angle.
See attached photo.
hope this helps
Answer:
Step-by-step explanation:
Step-by-step explanation:
15 r blue marbles
20- 5 = 15
Answer:
Step-by-step explanation:
3x^2 - x + 2x^2 + 3x = 5x^2 + 2x