HELP ME I VERY STRESSED(⓿_⓿)
This pattern follows the rule add 9. What are the next 3 terms?

An image of a pattern. Term one has 9 triangles, term two has eighteen triangles, term three has twenty-seven triangles.

A. 36, 45, 54
B. 39, 48, 57
C. 42, 51, 60
D. 54, 63, 72

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

What would the rule be for the reflection of y=-3

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0