Help for brainiest please explain how you got it :D it would help so I can understand how to do the rest

Option D

Step-by-step explanation:

Formula to use: V=

b=base of triangle   a=altitude of triangle  h=height of prism

Doing is essentially finding the area of the triangle and after multiplying by h will give you the volume of the triangular prism.

Solve: V =  or option D

Ps. Altitude is perpendicular or 90 degrees to the side I used for the base, so it wouldn't be option C.

37

step-by-step explanation:

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25