Consider the sequence 3, -9, 27, -81, What is the explicit formula for the sequence and what is the 15th term of the sequence? a an=3(3)n-1; -14,348,907 b an=an-1(-3); 14,348,907 c an=-3(3)n-1; 14,348,907 d an=3(-3)n-1; 14,348,907

the axial of symmetry

step-by-step explanation:

i use my brain for prombles like this maybe you could try it

step-by-step explanation:

answer: both chords and diameters have two endpoints on a circle. diameters must intersect the center of a circle.

i think the answer is d im not sure