please help will give brainliest

Answer:
V = 170 in³
Step-by-step explanation:
The volume of a triangular pyramid
V = (1/3)Ah
where A = area of the triangular base, and H = height of the pyramid
---------------------------
A = (1/2)(12)(5)
A = 30
V = (1/3)(30)(17)
V = 170 in³