How many bases are there in the triangular pyramid shown below?

The 3 triangular sides slant upwards to form the triangular base. As it is formed from four triangles, a triangular-based pyramid is also called a tetrahedron.

brainliest pls

it's d.

step-by-step explanation:

because: -1(4x + 1y) +2 (1x-3y) distribute each number into the parenthesis.

then you would get: -4x - 1y + 2x -6y combine like terms

and get: 2x -7y

hope my answer has you if not then i'm sorry.

i'm not entirely sure

step-by-step explanation:

if you ask home depot or lowe's they might be able to you out