Since there are 3 sides and each of those 3 sides are 9 cm, you would multiply 9*3 and your answer would be 27 cm.
Answer:
2 column proof is a logical argument consisting of statements and the reasons to show why those statememts are true.
Step-by-step explanation:
Answer:

Step-by-step explanation:


ANSWER

EXPLANATION
The given parabola has equation:

This parabola opens in the direction of the positive x-axis.
This can be rewritten as:

The vertex is (-1,3)
The directrix of this parabola is


Answer:
D.
Step-by-step explanation: