The answer is D. First add 2k, then divide by a, the subtract x, then divide by -1
Answer: x=10
This is the answer I got.
1. 8a+24
2. .12e
ill edit it when get the other answers
Brainiest? pls
Scale factor is 2
30/15 = 2
20/10 = 2
So hmm notice the picture below
the pyramid itself, is really, just one regular hexagon, at the bottom
and 6 triangles, stacked up at each other at the edges
now, if you just get the area of the regular hexagon, and the 6 triangles, add them up, that'd be the total surface area of the pyramid then

now, for the triangles, well, area of a triangle is 1/2 bh, as you'd know, and you have both