275 + 180 + 120 = 275 + 300 = 575
not 100% that this is right but this is my best guess. Hope this helps!!
{k^2 + 2k + 1 = 25, k^2 + 2k + 1 = 64}
{k^2 + 2k - 24 = 0, k^2 + 2k - 63 = 0}
{(k - 4)(k + 6) = 0, (k - 7)(k + 9) = 0}
{k = -6, 4, -9, 7)
Therefore, range = {-9, -6, 4, 7)
Answer:
I think it is option 4, because it has the same scale. The height is 3 times as much as the radius.
Volume of a triangular pyramid is v=1/3AH so the answer is 8
